Home / 5,437.98-8,156.70-3,187.76

Finding the Fourth Proportional to 5,437.98, 8,156.70 and 3,187.76

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Solution

The fourth proportional to 5,437.98, 8,156.70 and 3,187.76 is: 4,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.98 : 8,156.70 = 3,187.76 : x
  2. Step 2: Convert to fraction form
    5,437.98/8,156.70 = 3,187.76/x
  3. Step 3: Cross multiply
    5,437.98x = 8,156.70 × 3,187.76
  4. Step 4: Simplify right side
    5,437.98x = 26,001,601.99
  5. Step 5: Solve for x
    x = 26,001,601.99/5,437.98
  6. Step 6: Final answer
    x = 4,781.48

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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.