Home / 5,625.42-7,763.38-3,387.98

Finding the Fourth Proportional to 5,625.42, 7,763.38 and 3,387.98

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Solution

The fourth proportional to 5,625.42, 7,763.38 and 3,387.98 is: 4,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.42 : 7,763.38 = 3,387.98 : x
  2. Step 2: Convert to fraction form
    5,625.42/7,763.38 = 3,387.98/x
  3. Step 3: Cross multiply
    5,625.42x = 7,763.38 × 3,387.98
  4. Step 4: Simplify right side
    5,625.42x = 26,302,176.17
  5. Step 5: Solve for x
    x = 26,302,176.17/5,625.42
  6. Step 6: Final answer
    x = 4,675.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.