Home / 7,706.93-10,635.55-4,170.13

Finding the Fourth Proportional to 7,706.93, 10,635.55 and 4,170.13

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Solution

The fourth proportional to 7,706.93, 10,635.55 and 4,170.13 is: 5,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.93 : 10,635.55 = 4,170.13 : x
  2. Step 2: Convert to fraction form
    7,706.93/10,635.55 = 4,170.13/x
  3. Step 3: Cross multiply
    7,706.93x = 10,635.55 × 4,170.13
  4. Step 4: Simplify right side
    7,706.93x = 44,351,672.39
  5. Step 5: Solve for x
    x = 44,351,672.39/7,706.93
  6. Step 6: Final answer
    x = 5,754.78

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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.