Home / 6,425.24-9,637.79-1,982.90

Finding the Fourth Proportional to 6,425.24, 9,637.79 and 1,982.90

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Solution

The fourth proportional to 6,425.24, 9,637.79 and 1,982.90 is: 2,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.24 : 9,637.79 = 1,982.90 : x
  2. Step 2: Convert to fraction form
    6,425.24/9,637.79 = 1,982.90/x
  3. Step 3: Cross multiply
    6,425.24x = 9,637.79 × 1,982.90
  4. Step 4: Simplify right side
    6,425.24x = 19,110,715.69
  5. Step 5: Solve for x
    x = 19,110,715.69/6,425.24
  6. Step 6: Final answer
    x = 2,974.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.