Home / 5,540.08-7,643.36-3,551.74

Finding the Fourth Proportional to 5,540.08, 7,643.36 and 3,551.74

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Solution

The fourth proportional to 5,540.08, 7,643.36 and 3,551.74 is: 4,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.08 : 7,643.36 = 3,551.74 : x
  2. Step 2: Convert to fraction form
    5,540.08/7,643.36 = 3,551.74/x
  3. Step 3: Cross multiply
    5,540.08x = 7,643.36 × 3,551.74
  4. Step 4: Simplify right side
    5,540.08x = 27,147,227.45
  5. Step 5: Solve for x
    x = 27,147,227.45/5,540.08
  6. Step 6: Final answer
    x = 4,900.15

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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.