Home / 5,412.23-7,469.00-2,989.59

Finding the Fourth Proportional to 5,412.23, 7,469.00 and 2,989.59

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Solution

The fourth proportional to 5,412.23, 7,469.00 and 2,989.59 is: 4,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.23 : 7,469.00 = 2,989.59 : x
  2. Step 2: Convert to fraction form
    5,412.23/7,469.00 = 2,989.59/x
  3. Step 3: Cross multiply
    5,412.23x = 7,469.00 × 2,989.59
  4. Step 4: Simplify right side
    5,412.23x = 22,329,215.96
  5. Step 5: Solve for x
    x = 22,329,215.96/5,412.23
  6. Step 6: Final answer
    x = 4,125.69

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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.