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Finding the Fourth Proportional to 5,000.18, 6,900.54 and 3,011.38

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Solution

The fourth proportional to 5,000.18, 6,900.54 and 3,011.38 is: 4,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.18 : 6,900.54 = 3,011.38 : x
  2. Step 2: Convert to fraction form
    5,000.18/6,900.54 = 3,011.38/x
  3. Step 3: Cross multiply
    5,000.18x = 6,900.54 × 3,011.38
  4. Step 4: Simplify right side
    5,000.18x = 20,780,098.59
  5. Step 5: Solve for x
    x = 20,780,098.59/5,000.18
  6. Step 6: Final answer
    x = 4,155.87

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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.