Home / 5,340.24-7,369.96-2,982.76

Finding the Fourth Proportional to 5,340.24, 7,369.96 and 2,982.76

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Solution

The fourth proportional to 5,340.24, 7,369.96 and 2,982.76 is: 4,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.24 : 7,369.96 = 2,982.76 : x
  2. Step 2: Convert to fraction form
    5,340.24/7,369.96 = 2,982.76/x
  3. Step 3: Cross multiply
    5,340.24x = 7,369.96 × 2,982.76
  4. Step 4: Simplify right side
    5,340.24x = 21,982,821.89
  5. Step 5: Solve for x
    x = 21,982,821.89/5,340.24
  6. Step 6: Final answer
    x = 4,116.45

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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.