Home / 8,788.50-13,185.18-6,156

Finding the Fourth Proportional to 8,788.50, 13,185.18 and 6,156

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Solution

The fourth proportional to 8,788.50, 13,185.18 and 6,156 is: 9,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.50 : 13,185.18 = 6,156 : x
  2. Step 2: Convert to fraction form
    8,788.50/13,185.18 = 6,156/x
  3. Step 3: Cross multiply
    8,788.50x = 13,185.18 × 6,156
  4. Step 4: Simplify right side
    8,788.50x = 81,167,968.08
  5. Step 5: Solve for x
    x = 81,167,968.08/8,788.50
  6. Step 6: Final answer
    x = 9,235.70

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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.