Home / 6,278.04-9,412.80-2,579.20

Finding the Fourth Proportional to 6,278.04, 9,412.80 and 2,579.20

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Solution

The fourth proportional to 6,278.04, 9,412.80 and 2,579.20 is: 3,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.04 : 9,412.80 = 2,579.20 : x
  2. Step 2: Convert to fraction form
    6,278.04/9,412.80 = 2,579.20/x
  3. Step 3: Cross multiply
    6,278.04x = 9,412.80 × 2,579.20
  4. Step 4: Simplify right side
    6,278.04x = 24,277,493.76
  5. Step 5: Solve for x
    x = 24,277,493.76/6,278.04
  6. Step 6: Final answer
    x = 3,867.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.