Home / 4,420.80-6,625.08-2,663.52

Finding the Fourth Proportional to 4,420.80, 6,625.08 and 2,663.52

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Solution

The fourth proportional to 4,420.80, 6,625.08 and 2,663.52 is: 3,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.80 : 6,625.08 = 2,663.52 : x
  2. Step 2: Convert to fraction form
    4,420.80/6,625.08 = 2,663.52/x
  3. Step 3: Cross multiply
    4,420.80x = 6,625.08 × 2,663.52
  4. Step 4: Simplify right side
    4,420.80x = 17,646,033.08
  5. Step 5: Solve for x
    x = 17,646,033.08/4,420.80
  6. Step 6: Final answer
    x = 3,991.59

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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.