Home / 4,456.43-6,681.09-2,115.26

Finding the Fourth Proportional to 4,456.43, 6,681.09 and 2,115.26

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Solution

The fourth proportional to 4,456.43, 6,681.09 and 2,115.26 is: 3,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.43 : 6,681.09 = 2,115.26 : x
  2. Step 2: Convert to fraction form
    4,456.43/6,681.09 = 2,115.26/x
  3. Step 3: Cross multiply
    4,456.43x = 6,681.09 × 2,115.26
  4. Step 4: Simplify right side
    4,456.43x = 14,132,242.43
  5. Step 5: Solve for x
    x = 14,132,242.43/4,456.43
  6. Step 6: Final answer
    x = 3,171.20

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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.