Home / 8,719.64-13,079.45-3,529.16

Finding the Fourth Proportional to 8,719.64, 13,079.45 and 3,529.16

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Solution

The fourth proportional to 8,719.64, 13,079.45 and 3,529.16 is: 5,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.64 : 13,079.45 = 3,529.16 : x
  2. Step 2: Convert to fraction form
    8,719.64/13,079.45 = 3,529.16/x
  3. Step 3: Cross multiply
    8,719.64x = 13,079.45 × 3,529.16
  4. Step 4: Simplify right side
    8,719.64x = 46,159,388.72
  5. Step 5: Solve for x
    x = 46,159,388.72/8,719.64
  6. Step 6: Final answer
    x = 5,293.73

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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.