Home / 7,167.25-10,753.61-2,785.05

Finding the Fourth Proportional to 7,167.25, 10,753.61 and 2,785.05

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Solution

The fourth proportional to 7,167.25, 10,753.61 and 2,785.05 is: 4,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.25 : 10,753.61 = 2,785.05 : x
  2. Step 2: Convert to fraction form
    7,167.25/10,753.61 = 2,785.05/x
  3. Step 3: Cross multiply
    7,167.25x = 10,753.61 × 2,785.05
  4. Step 4: Simplify right side
    7,167.25x = 29,949,341.53
  5. Step 5: Solve for x
    x = 29,949,341.53/7,167.25
  6. Step 6: Final answer
    x = 4,178.64

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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.