Home / 8,717.26-13,071.56-3,718.86

Finding the Fourth Proportional to 8,717.26, 13,071.56 and 3,718.86

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Solution

The fourth proportional to 8,717.26, 13,071.56 and 3,718.86 is: 5,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.26 : 13,071.56 = 3,718.86 : x
  2. Step 2: Convert to fraction form
    8,717.26/13,071.56 = 3,718.86/x
  3. Step 3: Cross multiply
    8,717.26x = 13,071.56 × 3,718.86
  4. Step 4: Simplify right side
    8,717.26x = 48,611,301.62
  5. Step 5: Solve for x
    x = 48,611,301.62/8,717.26
  6. Step 6: Final answer
    x = 5,576.44

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1.5x scale

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.