Home / 8,718.23-13,079.37-2,874.89

Finding the Fourth Proportional to 8,718.23, 13,079.37 and 2,874.89

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Solution

The fourth proportional to 8,718.23, 13,079.37 and 2,874.89 is: 4,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.23 : 13,079.37 = 2,874.89 : x
  2. Step 2: Convert to fraction form
    8,718.23/13,079.37 = 2,874.89/x
  3. Step 3: Cross multiply
    8,718.23x = 13,079.37 × 2,874.89
  4. Step 4: Simplify right side
    8,718.23x = 37,601,750.02
  5. Step 5: Solve for x
    x = 37,601,750.02/8,718.23
  6. Step 6: Final answer
    x = 4,313.00

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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.