Home / 7,170.61-9,892.67-5,286.66

Finding the Fourth Proportional to 7,170.61, 9,892.67 and 5,286.66

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Solution

The fourth proportional to 7,170.61, 9,892.67 and 5,286.66 is: 7,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.61 : 9,892.67 = 5,286.66 : x
  2. Step 2: Convert to fraction form
    7,170.61/9,892.67 = 5,286.66/x
  3. Step 3: Cross multiply
    7,170.61x = 9,892.67 × 5,286.66
  4. Step 4: Simplify right side
    7,170.61x = 52,299,204.64
  5. Step 5: Solve for x
    x = 52,299,204.64/7,170.61
  6. Step 6: Final answer
    x = 7,293.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.