Home / 8,616.29-12,924.14-2,772.75

Finding the Fourth Proportional to 8,616.29, 12,924.14 and 2,772.75

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Solution

The fourth proportional to 8,616.29, 12,924.14 and 2,772.75 is: 4,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.29 : 12,924.14 = 2,772.75 : x
  2. Step 2: Convert to fraction form
    8,616.29/12,924.14 = 2,772.75/x
  3. Step 3: Cross multiply
    8,616.29x = 12,924.14 × 2,772.75
  4. Step 4: Simplify right side
    8,616.29x = 35,835,395.32
  5. Step 5: Solve for x
    x = 35,835,395.32/8,616.29
  6. Step 6: Final answer
    x = 4,159.03

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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.