Home / 5,913-8,869.50-3,316.14

Finding the Fourth Proportional to 5,913, 8,869.50 and 3,316.14

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Solution

The fourth proportional to 5,913, 8,869.50 and 3,316.14 is: 4,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913 : 8,869.50 = 3,316.14 : x
  2. Step 2: Convert to fraction form
    5,913/8,869.50 = 3,316.14/x
  3. Step 3: Cross multiply
    5,913x = 8,869.50 × 3,316.14
  4. Step 4: Simplify right side
    5,913x = 29,412,503.73
  5. Step 5: Solve for x
    x = 29,412,503.73/5,913
  6. Step 6: Final answer
    x = 4,974.21

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Similar ratio
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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.