Home / 8,715.16-13,074.36-3,524.68

Finding the Fourth Proportional to 8,715.16, 13,074.36 and 3,524.68

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Solution

The fourth proportional to 8,715.16, 13,074.36 and 3,524.68 is: 5,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.16 : 13,074.36 = 3,524.68 : x
  2. Step 2: Convert to fraction form
    8,715.16/13,074.36 = 3,524.68/x
  3. Step 3: Cross multiply
    8,715.16x = 13,074.36 × 3,524.68
  4. Step 4: Simplify right side
    8,715.16x = 46,082,935.20
  5. Step 5: Solve for x
    x = 46,082,935.20/8,715.16
  6. Step 6: Final answer
    x = 5,287.68

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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.