Home / 5,350.32-7,383.47-3,113.72

Finding the Fourth Proportional to 5,350.32, 7,383.47 and 3,113.72

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Solution

The fourth proportional to 5,350.32, 7,383.47 and 3,113.72 is: 4,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.32 : 7,383.47 = 3,113.72 : x
  2. Step 2: Convert to fraction form
    5,350.32/7,383.47 = 3,113.72/x
  3. Step 3: Cross multiply
    5,350.32x = 7,383.47 × 3,113.72
  4. Step 4: Simplify right side
    5,350.32x = 22,990,058.21
  5. Step 5: Solve for x
    x = 22,990,058.21/5,350.32
  6. Step 6: Final answer
    x = 4,296.95

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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.