Home / 5,278.74-7,274.44-4,017.79

Finding the Fourth Proportional to 5,278.74, 7,274.44 and 4,017.79

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Solution

The fourth proportional to 5,278.74, 7,274.44 and 4,017.79 is: 5,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.74 : 7,274.44 = 4,017.79 : x
  2. Step 2: Convert to fraction form
    5,278.74/7,274.44 = 4,017.79/x
  3. Step 3: Cross multiply
    5,278.74x = 7,274.44 × 4,017.79
  4. Step 4: Simplify right side
    5,278.74x = 29,227,206.86
  5. Step 5: Solve for x
    x = 29,227,206.86/5,278.74
  6. Step 6: Final answer
    x = 5,536.78

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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.