Home / 8,902.15-12,284.95-5,123.94

Finding the Fourth Proportional to 8,902.15, 12,284.95 and 5,123.94

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Solution

The fourth proportional to 8,902.15, 12,284.95 and 5,123.94 is: 7,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.15 : 12,284.95 = 5,123.94 : x
  2. Step 2: Convert to fraction form
    8,902.15/12,284.95 = 5,123.94/x
  3. Step 3: Cross multiply
    8,902.15x = 12,284.95 × 5,123.94
  4. Step 4: Simplify right side
    8,902.15x = 62,947,321.08
  5. Step 5: Solve for x
    x = 62,947,321.08/8,902.15
  6. Step 6: Final answer
    x = 7,071.02

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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.