Home / 7,641.23-11,462.39-2,641.53

Finding the Fourth Proportional to 7,641.23, 11,462.39 and 2,641.53

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Solution

The fourth proportional to 7,641.23, 11,462.39 and 2,641.53 is: 3,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.23 : 11,462.39 = 2,641.53 : x
  2. Step 2: Convert to fraction form
    7,641.23/11,462.39 = 2,641.53/x
  3. Step 3: Cross multiply
    7,641.23x = 11,462.39 × 2,641.53
  4. Step 4: Simplify right side
    7,641.23x = 30,278,253.66
  5. Step 5: Solve for x
    x = 30,278,253.66/7,641.23
  6. Step 6: Final answer
    x = 3,962.49

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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.