Home / 5,127.89-7,077.64-3,358.47

Finding the Fourth Proportional to 5,127.89, 7,077.64 and 3,358.47

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Solution

The fourth proportional to 5,127.89, 7,077.64 and 3,358.47 is: 4,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.89 : 7,077.64 = 3,358.47 : x
  2. Step 2: Convert to fraction form
    5,127.89/7,077.64 = 3,358.47/x
  3. Step 3: Cross multiply
    5,127.89x = 7,077.64 × 3,358.47
  4. Step 4: Simplify right side
    5,127.89x = 23,770,041.61
  5. Step 5: Solve for x
    x = 23,770,041.61/5,127.89
  6. Step 6: Final answer
    x = 4,635.44

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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.