Home / 8,264.28-12,400.67-5,492.86

Finding the Fourth Proportional to 8,264.28, 12,400.67 and 5,492.86

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Solution

The fourth proportional to 8,264.28, 12,400.67 and 5,492.86 is: 8,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.28 : 12,400.67 = 5,492.86 : x
  2. Step 2: Convert to fraction form
    8,264.28/12,400.67 = 5,492.86/x
  3. Step 3: Cross multiply
    8,264.28x = 12,400.67 × 5,492.86
  4. Step 4: Simplify right side
    8,264.28x = 68,115,144.22
  5. Step 5: Solve for x
    x = 68,115,144.22/8,264.28
  6. Step 6: Final answer
    x = 8,242.11

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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.