Home / 5,191.34-7,786.40-1,295.46

Finding the Fourth Proportional to 5,191.34, 7,786.40 and 1,295.46

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Solution

The fourth proportional to 5,191.34, 7,786.40 and 1,295.46 is: 1,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.34 : 7,786.40 = 1,295.46 : x
  2. Step 2: Convert to fraction form
    5,191.34/7,786.40 = 1,295.46/x
  3. Step 3: Cross multiply
    5,191.34x = 7,786.40 × 1,295.46
  4. Step 4: Simplify right side
    5,191.34x = 10,086,963.27
  5. Step 5: Solve for x
    x = 10,086,963.27/5,191.34
  6. Step 6: Final answer
    x = 1,943.04

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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.