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Finding the Fourth Proportional to 8,876.88, 13,315.32 and 4,984.02

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Solution

The fourth proportional to 8,876.88, 13,315.32 and 4,984.02 is: 7,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.88 : 13,315.32 = 4,984.02 : x
  2. Step 2: Convert to fraction form
    8,876.88/13,315.32 = 4,984.02/x
  3. Step 3: Cross multiply
    8,876.88x = 13,315.32 × 4,984.02
  4. Step 4: Simplify right side
    8,876.88x = 66,363,821.19
  5. Step 5: Solve for x
    x = 66,363,821.19/8,876.88
  6. Step 6: Final answer
    x = 7,476.03

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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.