Home / 8,881.20-13,329.48-4,724.28

Finding the Fourth Proportional to 8,881.20, 13,329.48 and 4,724.28

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Solution

The fourth proportional to 8,881.20, 13,329.48 and 4,724.28 is: 7,090.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.20 : 13,329.48 = 4,724.28 : x
  2. Step 2: Convert to fraction form
    8,881.20/13,329.48 = 4,724.28/x
  3. Step 3: Cross multiply
    8,881.20x = 13,329.48 × 4,724.28
  4. Step 4: Simplify right side
    8,881.20x = 62,972,195.77
  5. Step 5: Solve for x
    x = 62,972,195.77/8,881.20
  6. Step 6: Final answer
    x = 7,090.51

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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.