Home / 7,341.40-10,131.14-4,197.66

Finding the Fourth Proportional to 7,341.40, 10,131.14 and 4,197.66

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Solution

The fourth proportional to 7,341.40, 10,131.14 and 4,197.66 is: 5,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.40 : 10,131.14 = 4,197.66 : x
  2. Step 2: Convert to fraction form
    7,341.40/10,131.14 = 4,197.66/x
  3. Step 3: Cross multiply
    7,341.40x = 10,131.14 × 4,197.66
  4. Step 4: Simplify right side
    7,341.40x = 42,527,081.13
  5. Step 5: Solve for x
    x = 42,527,081.13/7,341.40
  6. Step 6: Final answer
    x = 5,792.78

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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.