Home / 7,707.16-10,635.85-4,170.43

Finding the Fourth Proportional to 7,707.16, 10,635.85 and 4,170.43

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Solution

The fourth proportional to 7,707.16, 10,635.85 and 4,170.43 is: 5,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,707.16 : 10,635.85 = 4,170.43 : x
  2. Step 2: Convert to fraction form
    7,707.16/10,635.85 = 4,170.43/x
  3. Step 3: Cross multiply
    7,707.16x = 10,635.85 × 4,170.43
  4. Step 4: Simplify right side
    7,707.16x = 44,356,067.92
  5. Step 5: Solve for x
    x = 44,356,067.92/7,707.16
  6. Step 6: Final answer
    x = 5,755.18

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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.