Home / 5,625.42-7,762.68-3,267.78

Finding the Fourth Proportional to 5,625.42, 7,762.68 and 3,267.78

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Solution

The fourth proportional to 5,625.42, 7,762.68 and 3,267.78 is: 4,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.42 : 7,762.68 = 3,267.78 : x
  2. Step 2: Convert to fraction form
    5,625.42/7,762.68 = 3,267.78/x
  3. Step 3: Cross multiply
    5,625.42x = 7,762.68 × 3,267.78
  4. Step 4: Simplify right side
    5,625.42x = 25,366,730.45
  5. Step 5: Solve for x
    x = 25,366,730.45/5,625.42
  6. Step 6: Final answer
    x = 4,509.30

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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.