Home / 8,616.92-12,926.08-3,686.60

Finding the Fourth Proportional to 8,616.92, 12,926.08 and 3,686.60

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Solution

The fourth proportional to 8,616.92, 12,926.08 and 3,686.60 is: 5,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.92 : 12,926.08 = 3,686.60 : x
  2. Step 2: Convert to fraction form
    8,616.92/12,926.08 = 3,686.60/x
  3. Step 3: Cross multiply
    8,616.92x = 12,926.08 × 3,686.60
  4. Step 4: Simplify right side
    8,616.92x = 47,653,323.45
  5. Step 5: Solve for x
    x = 47,653,323.45/8,616.92
  6. Step 6: Final answer
    x = 5,530.21

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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.