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Finding the Fourth Proportional to 5,695.07, 8,543.07 and 2,186.78

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Solution

The fourth proportional to 5,695.07, 8,543.07 and 2,186.78 is: 3,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.07 : 8,543.07 = 2,186.78 : x
  2. Step 2: Convert to fraction form
    5,695.07/8,543.07 = 2,186.78/x
  3. Step 3: Cross multiply
    5,695.07x = 8,543.07 × 2,186.78
  4. Step 4: Simplify right side
    5,695.07x = 18,681,771.90
  5. Step 5: Solve for x
    x = 18,681,771.90/5,695.07
  6. Step 6: Final answer
    x = 3,280.34

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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.