Home / 8,880.89-13,296.71-4,489.16

Finding the Fourth Proportional to 8,880.89, 13,296.71 and 4,489.16

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Solution

The fourth proportional to 8,880.89, 13,296.71 and 4,489.16 is: 6,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.89 : 13,296.71 = 4,489.16 : x
  2. Step 2: Convert to fraction form
    8,880.89/13,296.71 = 4,489.16/x
  3. Step 3: Cross multiply
    8,880.89x = 13,296.71 × 4,489.16
  4. Step 4: Simplify right side
    8,880.89x = 59,691,103.13
  5. Step 5: Solve for x
    x = 59,691,103.13/8,880.89
  6. Step 6: Final answer
    x = 6,721.30

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1.5x scale

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.