Home / 8,512.27-12,763.50-3,312.07

Finding the Fourth Proportional to 8,512.27, 12,763.50 and 3,312.07

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Solution

The fourth proportional to 8,512.27, 12,763.50 and 3,312.07 is: 4,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.27 : 12,763.50 = 3,312.07 : x
  2. Step 2: Convert to fraction form
    8,512.27/12,763.50 = 3,312.07/x
  3. Step 3: Cross multiply
    8,512.27x = 12,763.50 × 3,312.07
  4. Step 4: Simplify right side
    8,512.27x = 42,273,605.45
  5. Step 5: Solve for x
    x = 42,273,605.45/8,512.27
  6. Step 6: Final answer
    x = 4,966.20

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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.