Home / 5,340.12-7,369.24-2,982.31

Finding the Fourth Proportional to 5,340.12, 7,369.24 and 2,982.31

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Solution

The fourth proportional to 5,340.12, 7,369.24 and 2,982.31 is: 4,115.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.12 : 7,369.24 = 2,982.31 : x
  2. Step 2: Convert to fraction form
    5,340.12/7,369.24 = 2,982.31/x
  3. Step 3: Cross multiply
    5,340.12x = 7,369.24 × 2,982.31
  4. Step 4: Simplify right side
    5,340.12x = 21,977,358.14
  5. Step 5: Solve for x
    x = 21,977,358.14/5,340.12
  6. Step 6: Final answer
    x = 4,115.52

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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.