Home / 6,623.30-9,932.40-2,821.53

Finding the Fourth Proportional to 6,623.30, 9,932.40 and 2,821.53

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Solution

The fourth proportional to 6,623.30, 9,932.40 and 2,821.53 is: 4,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.30 : 9,932.40 = 2,821.53 : x
  2. Step 2: Convert to fraction form
    6,623.30/9,932.40 = 2,821.53/x
  3. Step 3: Cross multiply
    6,623.30x = 9,932.40 × 2,821.53
  4. Step 4: Simplify right side
    6,623.30x = 28,024,550.46
  5. Step 5: Solve for x
    x = 28,024,550.46/6,623.30
  6. Step 6: Final answer
    x = 4,231.21

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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.