Home / 5,278.38-7,919.04-2,317.10

Finding the Fourth Proportional to 5,278.38, 7,919.04 and 2,317.10

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Solution

The fourth proportional to 5,278.38, 7,919.04 and 2,317.10 is: 3,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.38 : 7,919.04 = 2,317.10 : x
  2. Step 2: Convert to fraction form
    5,278.38/7,919.04 = 2,317.10/x
  3. Step 3: Cross multiply
    5,278.38x = 7,919.04 × 2,317.10
  4. Step 4: Simplify right side
    5,278.38x = 18,349,207.58
  5. Step 5: Solve for x
    x = 18,349,207.58/5,278.38
  6. Step 6: Final answer
    x = 3,476.30

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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.