Home / 6,872.31-10,288.08-4,527.90

Finding the Fourth Proportional to 6,872.31, 10,288.08 and 4,527.90

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Solution

The fourth proportional to 6,872.31, 10,288.08 and 4,527.90 is: 6,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.31 : 10,288.08 = 4,527.90 : x
  2. Step 2: Convert to fraction form
    6,872.31/10,288.08 = 4,527.90/x
  3. Step 3: Cross multiply
    6,872.31x = 10,288.08 × 4,527.90
  4. Step 4: Simplify right side
    6,872.31x = 46,583,397.43
  5. Step 5: Solve for x
    x = 46,583,397.43/6,872.31
  6. Step 6: Final answer
    x = 6,778.42

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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.