Home / 8,719.04-13,077.21-2,479.34

Finding the Fourth Proportional to 8,719.04, 13,077.21 and 2,479.34

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Solution

The fourth proportional to 8,719.04, 13,077.21 and 2,479.34 is: 3,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.04 : 13,077.21 = 2,479.34 : x
  2. Step 2: Convert to fraction form
    8,719.04/13,077.21 = 2,479.34/x
  3. Step 3: Cross multiply
    8,719.04x = 13,077.21 × 2,479.34
  4. Step 4: Simplify right side
    8,719.04x = 32,422,849.84
  5. Step 5: Solve for x
    x = 32,422,849.84/8,719.04
  6. Step 6: Final answer
    x = 3,718.63

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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.