Home / 5,279.02-7,922.03-2,815.62

Finding the Fourth Proportional to 5,279.02, 7,922.03 and 2,815.62

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Solution

The fourth proportional to 5,279.02, 7,922.03 and 2,815.62 is: 4,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.02 : 7,922.03 = 2,815.62 : x
  2. Step 2: Convert to fraction form
    5,279.02/7,922.03 = 2,815.62/x
  3. Step 3: Cross multiply
    5,279.02x = 7,922.03 × 2,815.62
  4. Step 4: Simplify right side
    5,279.02x = 22,305,426.11
  5. Step 5: Solve for x
    x = 22,305,426.11/5,279.02
  6. Step 6: Final answer
    x = 4,225.30

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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.