Home / 8,718.44-13,074.78-4,715.08

Finding the Fourth Proportional to 8,718.44, 13,074.78 and 4,715.08

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Solution

The fourth proportional to 8,718.44, 13,074.78 and 4,715.08 is: 7,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.44 : 13,074.78 = 4,715.08 : x
  2. Step 2: Convert to fraction form
    8,718.44/13,074.78 = 4,715.08/x
  3. Step 3: Cross multiply
    8,718.44x = 13,074.78 × 4,715.08
  4. Step 4: Simplify right side
    8,718.44x = 61,648,618.68
  5. Step 5: Solve for x
    x = 61,648,618.68/8,718.44
  6. Step 6: Final answer
    x = 7,071.06

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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.