Home / 5,436.19-7,503.29-3,079.72

Finding the Fourth Proportional to 5,436.19, 7,503.29 and 3,079.72

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Solution

The fourth proportional to 5,436.19, 7,503.29 and 3,079.72 is: 4,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.19 : 7,503.29 = 3,079.72 : x
  2. Step 2: Convert to fraction form
    5,436.19/7,503.29 = 3,079.72/x
  3. Step 3: Cross multiply
    5,436.19x = 7,503.29 × 3,079.72
  4. Step 4: Simplify right side
    5,436.19x = 23,108,032.28
  5. Step 5: Solve for x
    x = 23,108,032.28/5,436.19
  6. Step 6: Final answer
    x = 4,250.78

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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.