Home / 6,517.85-8,988.48-4,281.66

Finding the Fourth Proportional to 6,517.85, 8,988.48 and 4,281.66

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Solution

The fourth proportional to 6,517.85, 8,988.48 and 4,281.66 is: 5,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.85 : 8,988.48 = 4,281.66 : x
  2. Step 2: Convert to fraction form
    6,517.85/8,988.48 = 4,281.66/x
  3. Step 3: Cross multiply
    6,517.85x = 8,988.48 × 4,281.66
  4. Step 4: Simplify right side
    6,517.85x = 38,485,615.28
  5. Step 5: Solve for x
    x = 38,485,615.28/6,517.85
  6. Step 6: Final answer
    x = 5,904.65

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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.