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Finding the Fourth Proportional to 8,802.90, 13,204.35 and 4,641.30

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Solution

The fourth proportional to 8,802.90, 13,204.35 and 4,641.30 is: 6,961.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.90 : 13,204.35 = 4,641.30 : x
  2. Step 2: Convert to fraction form
    8,802.90/13,204.35 = 4,641.30/x
  3. Step 3: Cross multiply
    8,802.90x = 13,204.35 × 4,641.30
  4. Step 4: Simplify right side
    8,802.90x = 61,285,349.66
  5. Step 5: Solve for x
    x = 61,285,349.66/8,802.90
  6. Step 6: Final answer
    x = 6,961.95

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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.