Home / 5,617.52-7,741.68-4,042.88

Finding the Fourth Proportional to 5,617.52, 7,741.68 and 4,042.88

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Solution

The fourth proportional to 5,617.52, 7,741.68 and 4,042.88 is: 5,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.52 : 7,741.68 = 4,042.88 : x
  2. Step 2: Convert to fraction form
    5,617.52/7,741.68 = 4,042.88/x
  3. Step 3: Cross multiply
    5,617.52x = 7,741.68 × 4,042.88
  4. Step 4: Simplify right side
    5,617.52x = 31,298,683.24
  5. Step 5: Solve for x
    x = 31,298,683.24/5,617.52
  6. Step 6: Final answer
    x = 5,571.62

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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.