Home / 8,445.92-12,670.24-3,515.75

Finding the Fourth Proportional to 8,445.92, 12,670.24 and 3,515.75

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Solution

The fourth proportional to 8,445.92, 12,670.24 and 3,515.75 is: 5,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.92 : 12,670.24 = 3,515.75 : x
  2. Step 2: Convert to fraction form
    8,445.92/12,670.24 = 3,515.75/x
  3. Step 3: Cross multiply
    8,445.92x = 12,670.24 × 3,515.75
  4. Step 4: Simplify right side
    8,445.92x = 44,545,324.14
  5. Step 5: Solve for x
    x = 44,545,324.14/8,445.92
  6. Step 6: Final answer
    x = 5,274.19

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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.