Home / 5,624.56-8,436.98-1,729

Finding the Fourth Proportional to 5,624.56, 8,436.98 and 1,729

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Solution

The fourth proportional to 5,624.56, 8,436.98 and 1,729 is: 2,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.56 : 8,436.98 = 1,729 : x
  2. Step 2: Convert to fraction form
    5,624.56/8,436.98 = 1,729/x
  3. Step 3: Cross multiply
    5,624.56x = 8,436.98 × 1,729
  4. Step 4: Simplify right side
    5,624.56x = 14,587,529.78
  5. Step 5: Solve for x
    x = 14,587,529.78/5,624.56
  6. Step 6: Final answer
    x = 2,593.54

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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.