Home / 5,241.34-7,860.89-1,542.56

Finding the Fourth Proportional to 5,241.34, 7,860.89 and 1,542.56

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Solution

The fourth proportional to 5,241.34, 7,860.89 and 1,542.56 is: 2,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.34 : 7,860.89 = 1,542.56 : x
  2. Step 2: Convert to fraction form
    5,241.34/7,860.89 = 1,542.56/x
  3. Step 3: Cross multiply
    5,241.34x = 7,860.89 × 1,542.56
  4. Step 4: Simplify right side
    5,241.34x = 12,125,894.48
  5. Step 5: Solve for x
    x = 12,125,894.48/5,241.34
  6. Step 6: Final answer
    x = 2,313.51

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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.