Home / 8,862.19-12,231.59-5,087.91

Finding the Fourth Proportional to 8,862.19, 12,231.59 and 5,087.91

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Solution

The fourth proportional to 8,862.19, 12,231.59 and 5,087.91 is: 7,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.19 : 12,231.59 = 5,087.91 : x
  2. Step 2: Convert to fraction form
    8,862.19/12,231.59 = 5,087.91/x
  3. Step 3: Cross multiply
    8,862.19x = 12,231.59 × 5,087.91
  4. Step 4: Simplify right side
    8,862.19x = 62,233,167.92
  5. Step 5: Solve for x
    x = 62,233,167.92/8,862.19
  6. Step 6: Final answer
    x = 7,022.32

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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.