Home / 9,294.15-13,943.39-2,720.46

Finding the Fourth Proportional to 9,294.15, 13,943.39 and 2,720.46

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Solution

The fourth proportional to 9,294.15, 13,943.39 and 2,720.46 is: 4,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294.15 : 13,943.39 = 2,720.46 : x
  2. Step 2: Convert to fraction form
    9,294.15/13,943.39 = 2,720.46/x
  3. Step 3: Cross multiply
    9,294.15x = 13,943.39 × 2,720.46
  4. Step 4: Simplify right side
    9,294.15x = 37,932,421.16
  5. Step 5: Solve for x
    x = 37,932,421.16/9,294.15
  6. Step 6: Final answer
    x = 4,081.32

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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.