Home / 5,487.62-8,232.45-1,790.90

Finding the Fourth Proportional to 5,487.62, 8,232.45 and 1,790.90

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Solution

The fourth proportional to 5,487.62, 8,232.45 and 1,790.90 is: 2,686.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.62 : 8,232.45 = 1,790.90 : x
  2. Step 2: Convert to fraction form
    5,487.62/8,232.45 = 1,790.90/x
  3. Step 3: Cross multiply
    5,487.62x = 8,232.45 × 1,790.90
  4. Step 4: Simplify right side
    5,487.62x = 14,743,494.71
  5. Step 5: Solve for x
    x = 14,743,494.71/5,487.62
  6. Step 6: Final answer
    x = 2,686.68

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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.