Home / 5,320.48-7,976.40-2,397.28

Finding the Fourth Proportional to 5,320.48, 7,976.40 and 2,397.28

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Solution

The fourth proportional to 5,320.48, 7,976.40 and 2,397.28 is: 3,593.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.48 : 7,976.40 = 2,397.28 : x
  2. Step 2: Convert to fraction form
    5,320.48/7,976.40 = 2,397.28/x
  3. Step 3: Cross multiply
    5,320.48x = 7,976.40 × 2,397.28
  4. Step 4: Simplify right side
    5,320.48x = 19,121,664.19
  5. Step 5: Solve for x
    x = 19,121,664.19/5,320.48
  6. Step 6: Final answer
    x = 3,593.97

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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.