Home / 5,618.28-8,426.52-2,656.74

Finding the Fourth Proportional to 5,618.28, 8,426.52 and 2,656.74

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Solution

The fourth proportional to 5,618.28, 8,426.52 and 2,656.74 is: 3,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.28 : 8,426.52 = 2,656.74 : x
  2. Step 2: Convert to fraction form
    5,618.28/8,426.52 = 2,656.74/x
  3. Step 3: Cross multiply
    5,618.28x = 8,426.52 × 2,656.74
  4. Step 4: Simplify right side
    5,618.28x = 22,387,072.74
  5. Step 5: Solve for x
    x = 22,387,072.74/5,618.28
  6. Step 6: Final answer
    x = 3,984.68

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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.