Home / 5,437.27-8,153.07-2,659.78

Finding the Fourth Proportional to 5,437.27, 8,153.07 and 2,659.78

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Solution

The fourth proportional to 5,437.27, 8,153.07 and 2,659.78 is: 3,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.27 : 8,153.07 = 2,659.78 : x
  2. Step 2: Convert to fraction form
    5,437.27/8,153.07 = 2,659.78/x
  3. Step 3: Cross multiply
    5,437.27x = 8,153.07 × 2,659.78
  4. Step 4: Simplify right side
    5,437.27x = 21,685,372.52
  5. Step 5: Solve for x
    x = 21,685,372.52/5,437.27
  6. Step 6: Final answer
    x = 3,988.28

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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.