Home / 5,479.49-7,564.19-3,591.11

Finding the Fourth Proportional to 5,479.49, 7,564.19 and 3,591.11

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Solution

The fourth proportional to 5,479.49, 7,564.19 and 3,591.11 is: 4,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.49 : 7,564.19 = 3,591.11 : x
  2. Step 2: Convert to fraction form
    5,479.49/7,564.19 = 3,591.11/x
  3. Step 3: Cross multiply
    5,479.49x = 7,564.19 × 3,591.11
  4. Step 4: Simplify right side
    5,479.49x = 27,163,839.31
  5. Step 5: Solve for x
    x = 27,163,839.31/5,479.49
  6. Step 6: Final answer
    x = 4,957.36

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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.