Home / 8,923.25-13,386.69-3,079.10

Finding the Fourth Proportional to 8,923.25, 13,386.69 and 3,079.10

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Solution

The fourth proportional to 8,923.25, 13,386.69 and 3,079.10 is: 4,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.25 : 13,386.69 = 3,079.10 : x
  2. Step 2: Convert to fraction form
    8,923.25/13,386.69 = 3,079.10/x
  3. Step 3: Cross multiply
    8,923.25x = 13,386.69 × 3,079.10
  4. Step 4: Simplify right side
    8,923.25x = 41,218,957.18
  5. Step 5: Solve for x
    x = 41,218,957.18/8,923.25
  6. Step 6: Final answer
    x = 4,619.28

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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.