Home / 8,165.19-12,248.88-2,616.69

Finding the Fourth Proportional to 8,165.19, 12,248.88 and 2,616.69

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Solution

The fourth proportional to 8,165.19, 12,248.88 and 2,616.69 is: 3,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.19 : 12,248.88 = 2,616.69 : x
  2. Step 2: Convert to fraction form
    8,165.19/12,248.88 = 2,616.69/x
  3. Step 3: Cross multiply
    8,165.19x = 12,248.88 × 2,616.69
  4. Step 4: Simplify right side
    8,165.19x = 32,051,557.93
  5. Step 5: Solve for x
    x = 32,051,557.93/8,165.19
  6. Step 6: Final answer
    x = 3,925.39

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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.