Home / 8,227.21-11,352.67-4,870.17

Finding the Fourth Proportional to 8,227.21, 11,352.67 and 4,870.17

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Solution

The fourth proportional to 8,227.21, 11,352.67 and 4,870.17 is: 6,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.21 : 11,352.67 = 4,870.17 : x
  2. Step 2: Convert to fraction form
    8,227.21/11,352.67 = 4,870.17/x
  3. Step 3: Cross multiply
    8,227.21x = 11,352.67 × 4,870.17
  4. Step 4: Simplify right side
    8,227.21x = 55,289,432.85
  5. Step 5: Solve for x
    x = 55,289,432.85/8,227.21
  6. Step 6: Final answer
    x = 6,720.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.