Home / 5,319.37-7,340.39-3,081.07

Finding the Fourth Proportional to 5,319.37, 7,340.39 and 3,081.07

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Solution

The fourth proportional to 5,319.37, 7,340.39 and 3,081.07 is: 4,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.37 : 7,340.39 = 3,081.07 : x
  2. Step 2: Convert to fraction form
    5,319.37/7,340.39 = 3,081.07/x
  3. Step 3: Cross multiply
    5,319.37x = 7,340.39 × 3,081.07
  4. Step 4: Simplify right side
    5,319.37x = 22,616,260.74
  5. Step 5: Solve for x
    x = 22,616,260.74/5,319.37
  6. Step 6: Final answer
    x = 4,251.68

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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.