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Finding the Fourth Proportional to 8,852.48, 13,280 and 2,695.68

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Solution

The fourth proportional to 8,852.48, 13,280 and 2,695.68 is: 4,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.48 : 13,280 = 2,695.68 : x
  2. Step 2: Convert to fraction form
    8,852.48/13,280 = 2,695.68/x
  3. Step 3: Cross multiply
    8,852.48x = 13,280 × 2,695.68
  4. Step 4: Simplify right side
    8,852.48x = 35,798,630.40
  5. Step 5: Solve for x
    x = 35,798,630.40/8,852.48
  6. Step 6: Final answer
    x = 4,043.91

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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.