Home / 6,239.15-9,358.70-2,540.55

Finding the Fourth Proportional to 6,239.15, 9,358.70 and 2,540.55

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Solution

The fourth proportional to 6,239.15, 9,358.70 and 2,540.55 is: 3,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.15 : 9,358.70 = 2,540.55 : x
  2. Step 2: Convert to fraction form
    6,239.15/9,358.70 = 2,540.55/x
  3. Step 3: Cross multiply
    6,239.15x = 9,358.70 × 2,540.55
  4. Step 4: Simplify right side
    6,239.15x = 23,776,232.58
  5. Step 5: Solve for x
    x = 23,776,232.58/6,239.15
  6. Step 6: Final answer
    x = 3,810.82

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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.