Home / 7,430.72-11,147.16-3,966.08

Finding the Fourth Proportional to 7,430.72, 11,147.16 and 3,966.08

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Solution

The fourth proportional to 7,430.72, 11,147.16 and 3,966.08 is: 5,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.72 : 11,147.16 = 3,966.08 : x
  2. Step 2: Convert to fraction form
    7,430.72/11,147.16 = 3,966.08/x
  3. Step 3: Cross multiply
    7,430.72x = 11,147.16 × 3,966.08
  4. Step 4: Simplify right side
    7,430.72x = 44,210,528.33
  5. Step 5: Solve for x
    x = 44,210,528.33/7,430.72
  6. Step 6: Final answer
    x = 5,949.70

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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.