Home / 5,343.47-7,373.77-3,105.33

Finding the Fourth Proportional to 5,343.47, 7,373.77 and 3,105.33

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Solution

The fourth proportional to 5,343.47, 7,373.77 and 3,105.33 is: 4,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.47 : 7,373.77 = 3,105.33 : x
  2. Step 2: Convert to fraction form
    5,343.47/7,373.77 = 3,105.33/x
  3. Step 3: Cross multiply
    5,343.47x = 7,373.77 × 3,105.33
  4. Step 4: Simplify right side
    5,343.47x = 22,897,953.78
  5. Step 5: Solve for x
    x = 22,897,953.78/5,343.47
  6. Step 6: Final answer
    x = 4,285.22

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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.