Home / 5,519.32-7,616.59-3,281.29

Finding the Fourth Proportional to 5,519.32, 7,616.59 and 3,281.29

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Solution

The fourth proportional to 5,519.32, 7,616.59 and 3,281.29 is: 4,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.32 : 7,616.59 = 3,281.29 : x
  2. Step 2: Convert to fraction form
    5,519.32/7,616.59 = 3,281.29/x
  3. Step 3: Cross multiply
    5,519.32x = 7,616.59 × 3,281.29
  4. Step 4: Simplify right side
    5,519.32x = 24,992,240.60
  5. Step 5: Solve for x
    x = 24,992,240.60/5,519.32
  6. Step 6: Final answer
    x = 4,528.14

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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.