Home / 5,148.57-7,723.37-1,860.89

Finding the Fourth Proportional to 5,148.57, 7,723.37 and 1,860.89

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Solution

The fourth proportional to 5,148.57, 7,723.37 and 1,860.89 is: 2,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.57 : 7,723.37 = 1,860.89 : x
  2. Step 2: Convert to fraction form
    5,148.57/7,723.37 = 1,860.89/x
  3. Step 3: Cross multiply
    5,148.57x = 7,723.37 × 1,860.89
  4. Step 4: Simplify right side
    5,148.57x = 14,372,294.08
  5. Step 5: Solve for x
    x = 14,372,294.08/5,148.57
  6. Step 6: Final answer
    x = 2,791.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.