Home / 8,527.20-12,776.40-4,135.20

Finding the Fourth Proportional to 8,527.20, 12,776.40 and 4,135.20

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Solution

The fourth proportional to 8,527.20, 12,776.40 and 4,135.20 is: 6,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.20 : 12,776.40 = 4,135.20 : x
  2. Step 2: Convert to fraction form
    8,527.20/12,776.40 = 4,135.20/x
  3. Step 3: Cross multiply
    8,527.20x = 12,776.40 × 4,135.20
  4. Step 4: Simplify right side
    8,527.20x = 52,832,969.28
  5. Step 5: Solve for x
    x = 52,832,969.28/8,527.20
  6. Step 6: Final answer
    x = 6,195.82

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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.