Home / 8,904.13-12,293.29-5,718.71

Finding the Fourth Proportional to 8,904.13, 12,293.29 and 5,718.71

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Solution

The fourth proportional to 8,904.13, 12,293.29 and 5,718.71 is: 7,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.13 : 12,293.29 = 5,718.71 : x
  2. Step 2: Convert to fraction form
    8,904.13/12,293.29 = 5,718.71/x
  3. Step 3: Cross multiply
    8,904.13x = 12,293.29 × 5,718.71
  4. Step 4: Simplify right side
    8,904.13x = 70,301,753.92
  5. Step 5: Solve for x
    x = 70,301,753.92/8,904.13
  6. Step 6: Final answer
    x = 7,895.41

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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.