Home / 5,008.38-7,511.40-1,888.70

Finding the Fourth Proportional to 5,008.38, 7,511.40 and 1,888.70

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Solution

The fourth proportional to 5,008.38, 7,511.40 and 1,888.70 is: 2,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.38 : 7,511.40 = 1,888.70 : x
  2. Step 2: Convert to fraction form
    5,008.38/7,511.40 = 1,888.70/x
  3. Step 3: Cross multiply
    5,008.38x = 7,511.40 × 1,888.70
  4. Step 4: Simplify right side
    5,008.38x = 14,186,781.18
  5. Step 5: Solve for x
    x = 14,186,781.18/5,008.38
  6. Step 6: Final answer
    x = 2,832.61

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1.5x scale

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.