Home / 6,279.24-8,666.54-4,154.81

Finding the Fourth Proportional to 6,279.24, 8,666.54 and 4,154.81

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Solution

The fourth proportional to 6,279.24, 8,666.54 and 4,154.81 is: 5,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.24 : 8,666.54 = 4,154.81 : x
  2. Step 2: Convert to fraction form
    6,279.24/8,666.54 = 4,154.81/x
  3. Step 3: Cross multiply
    6,279.24x = 8,666.54 × 4,154.81
  4. Step 4: Simplify right side
    6,279.24x = 36,007,805.39
  5. Step 5: Solve for x
    x = 36,007,805.39/6,279.24
  6. Step 6: Final answer
    x = 5,734.43

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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.