Home / 7,344.59-10,135.55-4,200.78

Finding the Fourth Proportional to 7,344.59, 10,135.55 and 4,200.78

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Solution

The fourth proportional to 7,344.59, 10,135.55 and 4,200.78 is: 5,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.59 : 10,135.55 = 4,200.78 : x
  2. Step 2: Convert to fraction form
    7,344.59/10,135.55 = 4,200.78/x
  3. Step 3: Cross multiply
    7,344.59x = 10,135.55 × 4,200.78
  4. Step 4: Simplify right side
    7,344.59x = 42,577,194.73
  5. Step 5: Solve for x
    x = 42,577,194.73/7,344.59
  6. Step 6: Final answer
    x = 5,797.08

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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.