Home / 5,475.70-8,215.29-1,963.31

Finding the Fourth Proportional to 5,475.70, 8,215.29 and 1,963.31

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Solution

The fourth proportional to 5,475.70, 8,215.29 and 1,963.31 is: 2,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.70 : 8,215.29 = 1,963.31 : x
  2. Step 2: Convert to fraction form
    5,475.70/8,215.29 = 1,963.31/x
  3. Step 3: Cross multiply
    5,475.70x = 8,215.29 × 1,963.31
  4. Step 4: Simplify right side
    5,475.70x = 16,129,119.93
  5. Step 5: Solve for x
    x = 16,129,119.93/5,475.70
  6. Step 6: Final answer
    x = 2,945.58

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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.