Home / 4,158.32-5,740.55-2,647.39

Finding the Fourth Proportional to 4,158.32, 5,740.55 and 2,647.39

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Solution

The fourth proportional to 4,158.32, 5,740.55 and 2,647.39 is: 3,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.32 : 5,740.55 = 2,647.39 : x
  2. Step 2: Convert to fraction form
    4,158.32/5,740.55 = 2,647.39/x
  3. Step 3: Cross multiply
    4,158.32x = 5,740.55 × 2,647.39
  4. Step 4: Simplify right side
    4,158.32x = 15,197,446.52
  5. Step 5: Solve for x
    x = 15,197,446.52/4,158.32
  6. Step 6: Final answer
    x = 3,654.70

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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.