Home / 8,312.12-11,470.78-4,535.29

Finding the Fourth Proportional to 8,312.12, 11,470.78 and 4,535.29

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Solution

The fourth proportional to 8,312.12, 11,470.78 and 4,535.29 is: 6,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.12 : 11,470.78 = 4,535.29 : x
  2. Step 2: Convert to fraction form
    8,312.12/11,470.78 = 4,535.29/x
  3. Step 3: Cross multiply
    8,312.12x = 11,470.78 × 4,535.29
  4. Step 4: Simplify right side
    8,312.12x = 52,023,314.70
  5. Step 5: Solve for x
    x = 52,023,314.70/8,312.12
  6. Step 6: Final answer
    x = 6,258.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.