Home / 7,324.40-10,985.28-3,625.44

Finding the Fourth Proportional to 7,324.40, 10,985.28 and 3,625.44

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Solution

The fourth proportional to 7,324.40, 10,985.28 and 3,625.44 is: 5,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.40 : 10,985.28 = 3,625.44 : x
  2. Step 2: Convert to fraction form
    7,324.40/10,985.28 = 3,625.44/x
  3. Step 3: Cross multiply
    7,324.40x = 10,985.28 × 3,625.44
  4. Step 4: Simplify right side
    7,324.40x = 39,826,473.52
  5. Step 5: Solve for x
    x = 39,826,473.52/7,324.40
  6. Step 6: Final answer
    x = 5,437.51

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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.