Home / 8,880.20-13,320.30-4,984.52

Finding the Fourth Proportional to 8,880.20, 13,320.30 and 4,984.52

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Solution

The fourth proportional to 8,880.20, 13,320.30 and 4,984.52 is: 7,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.20 : 13,320.30 = 4,984.52 : x
  2. Step 2: Convert to fraction form
    8,880.20/13,320.30 = 4,984.52/x
  3. Step 3: Cross multiply
    8,880.20x = 13,320.30 × 4,984.52
  4. Step 4: Simplify right side
    8,880.20x = 66,395,301.76
  5. Step 5: Solve for x
    x = 66,395,301.76/8,880.20
  6. Step 6: Final answer
    x = 7,476.78

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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.