Home / 5,624.58-8,436.89-1,728.96

Finding the Fourth Proportional to 5,624.58, 8,436.89 and 1,728.96

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Solution

The fourth proportional to 5,624.58, 8,436.89 and 1,728.96 is: 2,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.58 : 8,436.89 = 1,728.96 : x
  2. Step 2: Convert to fraction form
    5,624.58/8,436.89 = 1,728.96/x
  3. Step 3: Cross multiply
    5,624.58x = 8,436.89 × 1,728.96
  4. Step 4: Simplify right side
    5,624.58x = 14,587,036.69
  5. Step 5: Solve for x
    x = 14,587,036.69/5,624.58
  6. Step 6: Final answer
    x = 2,593.44

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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.