Home / 7,714.89-10,647.60-4,730.19

Finding the Fourth Proportional to 7,714.89, 10,647.60 and 4,730.19

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Solution

The fourth proportional to 7,714.89, 10,647.60 and 4,730.19 is: 6,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.89 : 10,647.60 = 4,730.19 : x
  2. Step 2: Convert to fraction form
    7,714.89/10,647.60 = 4,730.19/x
  3. Step 3: Cross multiply
    7,714.89x = 10,647.60 × 4,730.19
  4. Step 4: Simplify right side
    7,714.89x = 50,365,171.04
  5. Step 5: Solve for x
    x = 50,365,171.04/7,714.89
  6. Step 6: Final answer
    x = 6,528.31

Related Problems

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Half scale
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Double scale
Find fourth proportional to 7,715.89, 10,648.98 and 4,731.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.