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Finding the Fourth Proportional to 8,770.84, 13,157.16 and 2,925.88

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Solution

The fourth proportional to 8,770.84, 13,157.16 and 2,925.88 is: 4,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.84 : 13,157.16 = 2,925.88 : x
  2. Step 2: Convert to fraction form
    8,770.84/13,157.16 = 2,925.88/x
  3. Step 3: Cross multiply
    8,770.84x = 13,157.16 × 2,925.88
  4. Step 4: Simplify right side
    8,770.84x = 38,496,271.30
  5. Step 5: Solve for x
    x = 38,496,271.30/8,770.84
  6. Step 6: Final answer
    x = 4,389.12

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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.