Home / 5,537.39-7,641.74-3,147.31

Finding the Fourth Proportional to 5,537.39, 7,641.74 and 3,147.31

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Solution

The fourth proportional to 5,537.39, 7,641.74 and 3,147.31 is: 4,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.39 : 7,641.74 = 3,147.31 : x
  2. Step 2: Convert to fraction form
    5,537.39/7,641.74 = 3,147.31/x
  3. Step 3: Cross multiply
    5,537.39x = 7,641.74 × 3,147.31
  4. Step 4: Simplify right side
    5,537.39x = 24,050,924.72
  5. Step 5: Solve for x
    x = 24,050,924.72/5,537.39
  6. Step 6: Final answer
    x = 4,343.37

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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.