Home / 8,937.65-13,408.40-3,015.13

Finding the Fourth Proportional to 8,937.65, 13,408.40 and 3,015.13

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Solution

The fourth proportional to 8,937.65, 13,408.40 and 3,015.13 is: 4,523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.65 : 13,408.40 = 3,015.13 : x
  2. Step 2: Convert to fraction form
    8,937.65/13,408.40 = 3,015.13/x
  3. Step 3: Cross multiply
    8,937.65x = 13,408.40 × 3,015.13
  4. Step 4: Simplify right side
    8,937.65x = 40,428,069.09
  5. Step 5: Solve for x
    x = 40,428,069.09/8,937.65
  6. Step 6: Final answer
    x = 4,523.34

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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.