Home / 8,659.19-12,971.70-4,501.91

Finding the Fourth Proportional to 8,659.19, 12,971.70 and 4,501.91

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Solution

The fourth proportional to 8,659.19, 12,971.70 and 4,501.91 is: 6,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.19 : 12,971.70 = 4,501.91 : x
  2. Step 2: Convert to fraction form
    8,659.19/12,971.70 = 4,501.91/x
  3. Step 3: Cross multiply
    8,659.19x = 12,971.70 × 4,501.91
  4. Step 4: Simplify right side
    8,659.19x = 58,397,361.09
  5. Step 5: Solve for x
    x = 58,397,361.09/8,659.19
  6. Step 6: Final answer
    x = 6,743.98

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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.