Home / 5,625.45-7,763.19-3,107.55

Finding the Fourth Proportional to 5,625.45, 7,763.19 and 3,107.55

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Solution

The fourth proportional to 5,625.45, 7,763.19 and 3,107.55 is: 4,288.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.45 : 7,763.19 = 3,107.55 : x
  2. Step 2: Convert to fraction form
    5,625.45/7,763.19 = 3,107.55/x
  3. Step 3: Cross multiply
    5,625.45x = 7,763.19 × 3,107.55
  4. Step 4: Simplify right side
    5,625.45x = 24,124,501.08
  5. Step 5: Solve for x
    x = 24,124,501.08/5,625.45
  6. Step 6: Final answer
    x = 4,288.46

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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.