Home / 5,437.89-8,157.15-1,542

Finding the Fourth Proportional to 5,437.89, 8,157.15 and 1,542

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Solution

The fourth proportional to 5,437.89, 8,157.15 and 1,542 is: 2,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.89 : 8,157.15 = 1,542 : x
  2. Step 2: Convert to fraction form
    5,437.89/8,157.15 = 1,542/x
  3. Step 3: Cross multiply
    5,437.89x = 8,157.15 × 1,542
  4. Step 4: Simplify right side
    5,437.89x = 12,578,325.30
  5. Step 5: Solve for x
    x = 12,578,325.30/5,437.89
  6. Step 6: Final answer
    x = 2,313.09

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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.