Home / 8,288.90-12,426.98-3,902.16

Finding the Fourth Proportional to 8,288.90, 12,426.98 and 3,902.16

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Solution

The fourth proportional to 8,288.90, 12,426.98 and 3,902.16 is: 5,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.90 : 12,426.98 = 3,902.16 : x
  2. Step 2: Convert to fraction form
    8,288.90/12,426.98 = 3,902.16/x
  3. Step 3: Cross multiply
    8,288.90x = 12,426.98 × 3,902.16
  4. Step 4: Simplify right side
    8,288.90x = 48,492,064.28
  5. Step 5: Solve for x
    x = 48,492,064.28/8,288.90
  6. Step 6: Final answer
    x = 5,850.24

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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.