Home / 5,599.71-7,728.01-3,081.92

Finding the Fourth Proportional to 5,599.71, 7,728.01 and 3,081.92

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Solution

The fourth proportional to 5,599.71, 7,728.01 and 3,081.92 is: 4,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.71 : 7,728.01 = 3,081.92 : x
  2. Step 2: Convert to fraction form
    5,599.71/7,728.01 = 3,081.92/x
  3. Step 3: Cross multiply
    5,599.71x = 7,728.01 × 3,081.92
  4. Step 4: Simplify right side
    5,599.71x = 23,817,127.44
  5. Step 5: Solve for x
    x = 23,817,127.44/5,599.71
  6. Step 6: Final answer
    x = 4,253.28

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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.