Home / 8,315.03-12,486.65-5,559.41

Finding the Fourth Proportional to 8,315.03, 12,486.65 and 5,559.41

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Solution

The fourth proportional to 8,315.03, 12,486.65 and 5,559.41 is: 8,348.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.03 : 12,486.65 = 5,559.41 : x
  2. Step 2: Convert to fraction form
    8,315.03/12,486.65 = 5,559.41/x
  3. Step 3: Cross multiply
    8,315.03x = 12,486.65 × 5,559.41
  4. Step 4: Simplify right side
    8,315.03x = 69,418,316.65
  5. Step 5: Solve for x
    x = 69,418,316.65/8,315.03
  6. Step 6: Final answer
    x = 8,348.54

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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.