Home / 8,207.04-12,312.50-2,660.38

Finding the Fourth Proportional to 8,207.04, 12,312.50 and 2,660.38

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Solution

The fourth proportional to 8,207.04, 12,312.50 and 2,660.38 is: 3,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.04 : 12,312.50 = 2,660.38 : x
  2. Step 2: Convert to fraction form
    8,207.04/12,312.50 = 2,660.38/x
  3. Step 3: Cross multiply
    8,207.04x = 12,312.50 × 2,660.38
  4. Step 4: Simplify right side
    8,207.04x = 32,755,928.75
  5. Step 5: Solve for x
    x = 32,755,928.75/8,207.04
  6. Step 6: Final answer
    x = 3,991.20

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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.