Home / 8,774.21-13,170.43-5,083.65

Finding the Fourth Proportional to 8,774.21, 13,170.43 and 5,083.65

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Solution

The fourth proportional to 8,774.21, 13,170.43 and 5,083.65 is: 7,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.21 : 13,170.43 = 5,083.65 : x
  2. Step 2: Convert to fraction form
    8,774.21/13,170.43 = 5,083.65/x
  3. Step 3: Cross multiply
    8,774.21x = 13,170.43 × 5,083.65
  4. Step 4: Simplify right side
    8,774.21x = 66,953,856.47
  5. Step 5: Solve for x
    x = 66,953,856.47/8,774.21
  6. Step 6: Final answer
    x = 7,630.76

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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.