Home / 9,001.20-13,502.78-3,459.24

Finding the Fourth Proportional to 9,001.20, 13,502.78 and 3,459.24

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Solution

The fourth proportional to 9,001.20, 13,502.78 and 3,459.24 is: 5,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.20 : 13,502.78 = 3,459.24 : x
  2. Step 2: Convert to fraction form
    9,001.20/13,502.78 = 3,459.24/x
  3. Step 3: Cross multiply
    9,001.20x = 13,502.78 × 3,459.24
  4. Step 4: Simplify right side
    9,001.20x = 46,709,356.69
  5. Step 5: Solve for x
    x = 46,709,356.69/9,001.20
  6. Step 6: Final answer
    x = 5,189.24

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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.