Home / 5,695.47-8,542.89-2,187.16

Finding the Fourth Proportional to 5,695.47, 8,542.89 and 2,187.16

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Solution

The fourth proportional to 5,695.47, 8,542.89 and 2,187.16 is: 3,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.47 : 8,542.89 = 2,187.16 : x
  2. Step 2: Convert to fraction form
    5,695.47/8,542.89 = 2,187.16/x
  3. Step 3: Cross multiply
    5,695.47x = 8,542.89 × 2,187.16
  4. Step 4: Simplify right side
    5,695.47x = 18,684,667.29
  5. Step 5: Solve for x
    x = 18,684,667.29/5,695.47
  6. Step 6: Final answer
    x = 3,280.62

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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.