Home / 6,257.12-9,387.23-5,148.32

Finding the Fourth Proportional to 6,257.12, 9,387.23 and 5,148.32

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Solution

The fourth proportional to 6,257.12, 9,387.23 and 5,148.32 is: 7,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.12 : 9,387.23 = 5,148.32 : x
  2. Step 2: Convert to fraction form
    6,257.12/9,387.23 = 5,148.32/x
  3. Step 3: Cross multiply
    6,257.12x = 9,387.23 × 5,148.32
  4. Step 4: Simplify right side
    6,257.12x = 48,328,391.28
  5. Step 5: Solve for x
    x = 48,328,391.28/6,257.12
  6. Step 6: Final answer
    x = 7,723.75

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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.