Home / 8,441.30-12,683.55-7,490.90

Finding the Fourth Proportional to 8,441.30, 12,683.55 and 7,490.90

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Solution

The fourth proportional to 8,441.30, 12,683.55 and 7,490.90 is: 11,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.30 : 12,683.55 = 7,490.90 : x
  2. Step 2: Convert to fraction form
    8,441.30/12,683.55 = 7,490.90/x
  3. Step 3: Cross multiply
    8,441.30x = 12,683.55 × 7,490.90
  4. Step 4: Simplify right side
    8,441.30x = 95,011,204.70
  5. Step 5: Solve for x
    x = 95,011,204.70/8,441.30
  6. Step 6: Final answer
    x = 11,255.52

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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.