Home / 8,870.82-13,313.11-3,329.20

Finding the Fourth Proportional to 8,870.82, 13,313.11 and 3,329.20

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Solution

The fourth proportional to 8,870.82, 13,313.11 and 3,329.20 is: 4,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.82 : 13,313.11 = 3,329.20 : x
  2. Step 2: Convert to fraction form
    8,870.82/13,313.11 = 3,329.20/x
  3. Step 3: Cross multiply
    8,870.82x = 13,313.11 × 3,329.20
  4. Step 4: Simplify right side
    8,870.82x = 44,322,005.81
  5. Step 5: Solve for x
    x = 44,322,005.81/8,870.82
  6. Step 6: Final answer
    x = 4,996.38

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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.