Home / 7,084.11-9,775.47-4,100.13

Finding the Fourth Proportional to 7,084.11, 9,775.47 and 4,100.13

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Solution

The fourth proportional to 7,084.11, 9,775.47 and 4,100.13 is: 5,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.11 : 9,775.47 = 4,100.13 : x
  2. Step 2: Convert to fraction form
    7,084.11/9,775.47 = 4,100.13/x
  3. Step 3: Cross multiply
    7,084.11x = 9,775.47 × 4,100.13
  4. Step 4: Simplify right side
    7,084.11x = 40,080,645.78
  5. Step 5: Solve for x
    x = 40,080,645.78/7,084.11
  6. Step 6: Final answer
    x = 5,657.83

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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.