Home / 8,628.73-12,928.51-6,151.04

Finding the Fourth Proportional to 8,628.73, 12,928.51 and 6,151.04

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Solution

The fourth proportional to 8,628.73, 12,928.51 and 6,151.04 is: 9,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.73 : 12,928.51 = 6,151.04 : x
  2. Step 2: Convert to fraction form
    8,628.73/12,928.51 = 6,151.04/x
  3. Step 3: Cross multiply
    8,628.73x = 12,928.51 × 6,151.04
  4. Step 4: Simplify right side
    8,628.73x = 79,523,773.68
  5. Step 5: Solve for x
    x = 79,523,773.68/8,628.73
  6. Step 6: Final answer
    x = 9,216.16

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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.