Home / 5,525.30-7,625.80-3,402.12

Finding the Fourth Proportional to 5,525.30, 7,625.80 and 3,402.12

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Solution

The fourth proportional to 5,525.30, 7,625.80 and 3,402.12 is: 4,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.30 : 7,625.80 = 3,402.12 : x
  2. Step 2: Convert to fraction form
    5,525.30/7,625.80 = 3,402.12/x
  3. Step 3: Cross multiply
    5,525.30x = 7,625.80 × 3,402.12
  4. Step 4: Simplify right side
    5,525.30x = 25,943,886.70
  5. Step 5: Solve for x
    x = 25,943,886.70/5,525.30
  6. Step 6: Final answer
    x = 4,695.47

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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.