Home / 5,531.13-7,634.57-3,644.10

Finding the Fourth Proportional to 5,531.13, 7,634.57 and 3,644.10

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Solution

The fourth proportional to 5,531.13, 7,634.57 and 3,644.10 is: 5,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.13 : 7,634.57 = 3,644.10 : x
  2. Step 2: Convert to fraction form
    5,531.13/7,634.57 = 3,644.10/x
  3. Step 3: Cross multiply
    5,531.13x = 7,634.57 × 3,644.10
  4. Step 4: Simplify right side
    5,531.13x = 27,821,118.32
  5. Step 5: Solve for x
    x = 27,821,118.32/5,531.13
  6. Step 6: Final answer
    x = 5,029.92

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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.