Home / 5,343.12-7,373.44-3,105.40

Finding the Fourth Proportional to 5,343.12, 7,373.44 and 3,105.40

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Solution

The fourth proportional to 5,343.12, 7,373.44 and 3,105.40 is: 4,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.12 : 7,373.44 = 3,105.40 : x
  2. Step 2: Convert to fraction form
    5,343.12/7,373.44 = 3,105.40/x
  3. Step 3: Cross multiply
    5,343.12x = 7,373.44 × 3,105.40
  4. Step 4: Simplify right side
    5,343.12x = 22,897,480.58
  5. Step 5: Solve for x
    x = 22,897,480.58/5,343.12
  6. Step 6: Final answer
    x = 4,285.41

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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.