Home / 6,147.70-8,483.80-3,495.10

Finding the Fourth Proportional to 6,147.70, 8,483.80 and 3,495.10

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Solution

The fourth proportional to 6,147.70, 8,483.80 and 3,495.10 is: 4,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.70 : 8,483.80 = 3,495.10 : x
  2. Step 2: Convert to fraction form
    6,147.70/8,483.80 = 3,495.10/x
  3. Step 3: Cross multiply
    6,147.70x = 8,483.80 × 3,495.10
  4. Step 4: Simplify right side
    6,147.70x = 29,651,741.85
  5. Step 5: Solve for x
    x = 29,651,741.85/6,147.70
  6. Step 6: Final answer
    x = 4,823.23

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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.