Home / 9,310.29-13,968.32-2,986.11

Finding the Fourth Proportional to 9,310.29, 13,968.32 and 2,986.11

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Solution

The fourth proportional to 9,310.29, 13,968.32 and 2,986.11 is: 4,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.29 : 13,968.32 = 2,986.11 : x
  2. Step 2: Convert to fraction form
    9,310.29/13,968.32 = 2,986.11/x
  3. Step 3: Cross multiply
    9,310.29x = 13,968.32 × 2,986.11
  4. Step 4: Simplify right side
    9,310.29x = 41,710,925.10
  5. Step 5: Solve for x
    x = 41,710,925.10/9,310.29
  6. Step 6: Final answer
    x = 4,480.09

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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.