Home / 5,458.47-7,532.37-3,100.56

Finding the Fourth Proportional to 5,458.47, 7,532.37 and 3,100.56

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Solution

The fourth proportional to 5,458.47, 7,532.37 and 3,100.56 is: 4,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.47 : 7,532.37 = 3,100.56 : x
  2. Step 2: Convert to fraction form
    5,458.47/7,532.37 = 3,100.56/x
  3. Step 3: Cross multiply
    5,458.47x = 7,532.37 × 3,100.56
  4. Step 4: Simplify right side
    5,458.47x = 23,354,565.13
  5. Step 5: Solve for x
    x = 23,354,565.13/5,458.47
  6. Step 6: Final answer
    x = 4,278.59

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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.