Home / 8,766.70-13,158.15-4,387.30

Finding the Fourth Proportional to 8,766.70, 13,158.15 and 4,387.30

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Solution

The fourth proportional to 8,766.70, 13,158.15 and 4,387.30 is: 6,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.70 : 13,158.15 = 4,387.30 : x
  2. Step 2: Convert to fraction form
    8,766.70/13,158.15 = 4,387.30/x
  3. Step 3: Cross multiply
    8,766.70x = 13,158.15 × 4,387.30
  4. Step 4: Simplify right side
    8,766.70x = 57,728,751.50
  5. Step 5: Solve for x
    x = 57,728,751.50/8,766.70
  6. Step 6: Final answer
    x = 6,585.00

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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.