Home / 5,374.84-7,418.64-3,279.64

Finding the Fourth Proportional to 5,374.84, 7,418.64 and 3,279.64

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Solution

The fourth proportional to 5,374.84, 7,418.64 and 3,279.64 is: 4,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.84 : 7,418.64 = 3,279.64 : x
  2. Step 2: Convert to fraction form
    5,374.84/7,418.64 = 3,279.64/x
  3. Step 3: Cross multiply
    5,374.84x = 7,418.64 × 3,279.64
  4. Step 4: Simplify right side
    5,374.84x = 24,330,468.49
  5. Step 5: Solve for x
    x = 24,330,468.49/5,374.84
  6. Step 6: Final answer
    x = 4,526.73

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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.