Home / 5,291.15-7,299.44-3,402.39

Finding the Fourth Proportional to 5,291.15, 7,299.44 and 3,402.39

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Solution

The fourth proportional to 5,291.15, 7,299.44 and 3,402.39 is: 4,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.15 : 7,299.44 = 3,402.39 : x
  2. Step 2: Convert to fraction form
    5,291.15/7,299.44 = 3,402.39/x
  3. Step 3: Cross multiply
    5,291.15x = 7,299.44 × 3,402.39
  4. Step 4: Simplify right side
    5,291.15x = 24,835,550.17
  5. Step 5: Solve for x
    x = 24,835,550.17/5,291.15
  6. Step 6: Final answer
    x = 4,693.79

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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.