Home / 6,009.12-8,278.20-4,939.92

Finding the Fourth Proportional to 6,009.12, 8,278.20 and 4,939.92

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Solution

The fourth proportional to 6,009.12, 8,278.20 and 4,939.92 is: 6,805.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,009.12 : 8,278.20 = 4,939.92 : x
  2. Step 2: Convert to fraction form
    6,009.12/8,278.20 = 4,939.92/x
  3. Step 3: Cross multiply
    6,009.12x = 8,278.20 × 4,939.92
  4. Step 4: Simplify right side
    6,009.12x = 40,893,645.74
  5. Step 5: Solve for x
    x = 40,893,645.74/6,009.12
  6. Step 6: Final answer
    x = 6,805.26

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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.