Home / 5,403.39-8,108.30-2,325.39

Finding the Fourth Proportional to 5,403.39, 8,108.30 and 2,325.39

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Solution

The fourth proportional to 5,403.39, 8,108.30 and 2,325.39 is: 3,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.39 : 8,108.30 = 2,325.39 : x
  2. Step 2: Convert to fraction form
    5,403.39/8,108.30 = 2,325.39/x
  3. Step 3: Cross multiply
    5,403.39x = 8,108.30 × 2,325.39
  4. Step 4: Simplify right side
    5,403.39x = 18,854,948.11
  5. Step 5: Solve for x
    x = 18,854,948.11/5,403.39
  6. Step 6: Final answer
    x = 3,489.47

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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.