Home / 7,171.18-10,695.43-6,299.40

Finding the Fourth Proportional to 7,171.18, 10,695.43 and 6,299.40

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Solution

The fourth proportional to 7,171.18, 10,695.43 and 6,299.40 is: 9,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.18 : 10,695.43 = 6,299.40 : x
  2. Step 2: Convert to fraction form
    7,171.18/10,695.43 = 6,299.40/x
  3. Step 3: Cross multiply
    7,171.18x = 10,695.43 × 6,299.40
  4. Step 4: Simplify right side
    7,171.18x = 67,374,791.74
  5. Step 5: Solve for x
    x = 67,374,791.74/7,171.18
  6. Step 6: Final answer
    x = 9,395.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.