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Finding the Fourth Proportional to 8,802.72, 13,204.08 and 2,957.76

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Solution

The fourth proportional to 8,802.72, 13,204.08 and 2,957.76 is: 4,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.72 : 13,204.08 = 2,957.76 : x
  2. Step 2: Convert to fraction form
    8,802.72/13,204.08 = 2,957.76/x
  3. Step 3: Cross multiply
    8,802.72x = 13,204.08 × 2,957.76
  4. Step 4: Simplify right side
    8,802.72x = 39,054,499.66
  5. Step 5: Solve for x
    x = 39,054,499.66/8,802.72
  6. Step 6: Final answer
    x = 4,436.64

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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.