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Finding the Fourth Proportional to 8,960.59, 13,436.79 and 4,799.89

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Solution

The fourth proportional to 8,960.59, 13,436.79 and 4,799.89 is: 7,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.59 : 13,436.79 = 4,799.89 : x
  2. Step 2: Convert to fraction form
    8,960.59/13,436.79 = 4,799.89/x
  3. Step 3: Cross multiply
    8,960.59x = 13,436.79 × 4,799.89
  4. Step 4: Simplify right side
    8,960.59x = 64,495,113.95
  5. Step 5: Solve for x
    x = 64,495,113.95/8,960.59
  6. Step 6: Final answer
    x = 7,197.64

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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.