Home / 5,360.30-8,039.54-1,463.80

Finding the Fourth Proportional to 5,360.30, 8,039.54 and 1,463.80

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Solution

The fourth proportional to 5,360.30, 8,039.54 and 1,463.80 is: 2,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.30 : 8,039.54 = 1,463.80 : x
  2. Step 2: Convert to fraction form
    5,360.30/8,039.54 = 1,463.80/x
  3. Step 3: Cross multiply
    5,360.30x = 8,039.54 × 1,463.80
  4. Step 4: Simplify right side
    5,360.30x = 11,768,278.65
  5. Step 5: Solve for x
    x = 11,768,278.65/5,360.30
  6. Step 6: Final answer
    x = 2,195.45

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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.