Home / 9,335.08-13,997.78-2,760.40

Finding the Fourth Proportional to 9,335.08, 13,997.78 and 2,760.40

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Solution

The fourth proportional to 9,335.08, 13,997.78 and 2,760.40 is: 4,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.08 : 13,997.78 = 2,760.40 : x
  2. Step 2: Convert to fraction form
    9,335.08/13,997.78 = 2,760.40/x
  3. Step 3: Cross multiply
    9,335.08x = 13,997.78 × 2,760.40
  4. Step 4: Simplify right side
    9,335.08x = 38,639,471.91
  5. Step 5: Solve for x
    x = 38,639,471.91/9,335.08
  6. Step 6: Final answer
    x = 4,139.17

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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.