Home / 5,541.10-7,645.35-3,387.09

Finding the Fourth Proportional to 5,541.10, 7,645.35 and 3,387.09

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Solution

The fourth proportional to 5,541.10, 7,645.35 and 3,387.09 is: 4,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.10 : 7,645.35 = 3,387.09 : x
  2. Step 2: Convert to fraction form
    5,541.10/7,645.35 = 3,387.09/x
  3. Step 3: Cross multiply
    5,541.10x = 7,645.35 × 3,387.09
  4. Step 4: Simplify right side
    5,541.10x = 25,895,488.53
  5. Step 5: Solve for x
    x = 25,895,488.53/5,541.10
  6. Step 6: Final answer
    x = 4,673.35

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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.