Home / 5,436.17-8,154.30-1,540.70

Finding the Fourth Proportional to 5,436.17, 8,154.30 and 1,540.70

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Solution

The fourth proportional to 5,436.17, 8,154.30 and 1,540.70 is: 2,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.17 : 8,154.30 = 1,540.70 : x
  2. Step 2: Convert to fraction form
    5,436.17/8,154.30 = 1,540.70/x
  3. Step 3: Cross multiply
    5,436.17x = 8,154.30 × 1,540.70
  4. Step 4: Simplify right side
    5,436.17x = 12,563,330.01
  5. Step 5: Solve for x
    x = 12,563,330.01/5,436.17
  6. Step 6: Final answer
    x = 2,311.06

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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.