Home / 5,445.90-8,170.47-2,525.85

Finding the Fourth Proportional to 5,445.90, 8,170.47 and 2,525.85

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Solution

The fourth proportional to 5,445.90, 8,170.47 and 2,525.85 is: 3,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.90 : 8,170.47 = 2,525.85 : x
  2. Step 2: Convert to fraction form
    5,445.90/8,170.47 = 2,525.85/x
  3. Step 3: Cross multiply
    5,445.90x = 8,170.47 × 2,525.85
  4. Step 4: Simplify right side
    5,445.90x = 20,637,381.65
  5. Step 5: Solve for x
    x = 20,637,381.65/5,445.90
  6. Step 6: Final answer
    x = 3,789.53

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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.