Home / 5,148.93-7,724.85-1,451.20

Finding the Fourth Proportional to 5,148.93, 7,724.85 and 1,451.20

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Solution

The fourth proportional to 5,148.93, 7,724.85 and 1,451.20 is: 2,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.93 : 7,724.85 = 1,451.20 : x
  2. Step 2: Convert to fraction form
    5,148.93/7,724.85 = 1,451.20/x
  3. Step 3: Cross multiply
    5,148.93x = 7,724.85 × 1,451.20
  4. Step 4: Simplify right side
    5,148.93x = 11,210,283.01
  5. Step 5: Solve for x
    x = 11,210,283.01/5,148.93
  6. Step 6: Final answer
    x = 2,177.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.