Home / 7,563.70-11,345.55-4,283.20

Finding the Fourth Proportional to 7,563.70, 11,345.55 and 4,283.20

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Solution

The fourth proportional to 7,563.70, 11,345.55 and 4,283.20 is: 6,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.70 : 11,345.55 = 4,283.20 : x
  2. Step 2: Convert to fraction form
    7,563.70/11,345.55 = 4,283.20/x
  3. Step 3: Cross multiply
    7,563.70x = 11,345.55 × 4,283.20
  4. Step 4: Simplify right side
    7,563.70x = 48,595,259.76
  5. Step 5: Solve for x
    x = 48,595,259.76/7,563.70
  6. Step 6: Final answer
    x = 6,424.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.