Home / 6,615.18-9,128.27-3,962.52

Finding the Fourth Proportional to 6,615.18, 9,128.27 and 3,962.52

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Solution

The fourth proportional to 6,615.18, 9,128.27 and 3,962.52 is: 5,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.18 : 9,128.27 = 3,962.52 : x
  2. Step 2: Convert to fraction form
    6,615.18/9,128.27 = 3,962.52/x
  3. Step 3: Cross multiply
    6,615.18x = 9,128.27 × 3,962.52
  4. Step 4: Simplify right side
    6,615.18x = 36,170,962.35
  5. Step 5: Solve for x
    x = 36,170,962.35/6,615.18
  6. Step 6: Final answer
    x = 5,467.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.