Home / 8,898.95-12,281.08-5,122.03

Finding the Fourth Proportional to 8,898.95, 12,281.08 and 5,122.03

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Solution

The fourth proportional to 8,898.95, 12,281.08 and 5,122.03 is: 7,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.95 : 12,281.08 = 5,122.03 : x
  2. Step 2: Convert to fraction form
    8,898.95/12,281.08 = 5,122.03/x
  3. Step 3: Cross multiply
    8,898.95x = 12,281.08 × 5,122.03
  4. Step 4: Simplify right side
    8,898.95x = 62,904,034.58
  5. Step 5: Solve for x
    x = 62,904,034.58/8,898.95
  6. Step 6: Final answer
    x = 7,068.71

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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.