Home / 5,236.13-7,218.48-3,557.61

Finding the Fourth Proportional to 5,236.13, 7,218.48 and 3,557.61

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Solution

The fourth proportional to 5,236.13, 7,218.48 and 3,557.61 is: 4,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.13 : 7,218.48 = 3,557.61 : x
  2. Step 2: Convert to fraction form
    5,236.13/7,218.48 = 3,557.61/x
  3. Step 3: Cross multiply
    5,236.13x = 7,218.48 × 3,557.61
  4. Step 4: Simplify right side
    5,236.13x = 25,680,536.63
  5. Step 5: Solve for x
    x = 25,680,536.63/5,236.13
  6. Step 6: Final answer
    x = 4,904.49

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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.