Home / 5,320.16-7,982.40-2,548.16

Finding the Fourth Proportional to 5,320.16, 7,982.40 and 2,548.16

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Solution

The fourth proportional to 5,320.16, 7,982.40 and 2,548.16 is: 3,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.16 : 7,982.40 = 2,548.16 : x
  2. Step 2: Convert to fraction form
    5,320.16/7,982.40 = 2,548.16/x
  3. Step 3: Cross multiply
    5,320.16x = 7,982.40 × 2,548.16
  4. Step 4: Simplify right side
    5,320.16x = 20,340,432.38
  5. Step 5: Solve for x
    x = 20,340,432.38/5,320.16
  6. Step 6: Final answer
    x = 3,823.27

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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.