Home / 5,118.30-7,666.11-4,177.62

Finding the Fourth Proportional to 5,118.30, 7,666.11 and 4,177.62

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Solution

The fourth proportional to 5,118.30, 7,666.11 and 4,177.62 is: 6,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.30 : 7,666.11 = 4,177.62 : x
  2. Step 2: Convert to fraction form
    5,118.30/7,666.11 = 4,177.62/x
  3. Step 3: Cross multiply
    5,118.30x = 7,666.11 × 4,177.62
  4. Step 4: Simplify right side
    5,118.30x = 32,026,094.46
  5. Step 5: Solve for x
    x = 32,026,094.46/5,118.30
  6. Step 6: Final answer
    x = 6,257.17

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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.