Home / 5,319.78-7,341.30-2,962.14

Finding the Fourth Proportional to 5,319.78, 7,341.30 and 2,962.14

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Solution

The fourth proportional to 5,319.78, 7,341.30 and 2,962.14 is: 4,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.78 : 7,341.30 = 2,962.14 : x
  2. Step 2: Convert to fraction form
    5,319.78/7,341.30 = 2,962.14/x
  3. Step 3: Cross multiply
    5,319.78x = 7,341.30 × 2,962.14
  4. Step 4: Simplify right side
    5,319.78x = 21,745,958.38
  5. Step 5: Solve for x
    x = 21,745,958.38/5,319.78
  6. Step 6: Final answer
    x = 4,087.76

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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.