Home / 5,279.02-7,919.50-1,768.68

Finding the Fourth Proportional to 5,279.02, 7,919.50 and 1,768.68

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Solution

The fourth proportional to 5,279.02, 7,919.50 and 1,768.68 is: 2,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.02 : 7,919.50 = 1,768.68 : x
  2. Step 2: Convert to fraction form
    5,279.02/7,919.50 = 1,768.68/x
  3. Step 3: Cross multiply
    5,279.02x = 7,919.50 × 1,768.68
  4. Step 4: Simplify right side
    5,279.02x = 14,007,061.26
  5. Step 5: Solve for x
    x = 14,007,061.26/5,279.02
  6. Step 6: Final answer
    x = 2,653.34

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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.