Home / 7,278.98-10,917.42-3,329.06

Finding the Fourth Proportional to 7,278.98, 10,917.42 and 3,329.06

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Solution

The fourth proportional to 7,278.98, 10,917.42 and 3,329.06 is: 4,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.98 : 10,917.42 = 3,329.06 : x
  2. Step 2: Convert to fraction form
    7,278.98/10,917.42 = 3,329.06/x
  3. Step 3: Cross multiply
    7,278.98x = 10,917.42 × 3,329.06
  4. Step 4: Simplify right side
    7,278.98x = 36,344,746.23
  5. Step 5: Solve for x
    x = 36,344,746.23/7,278.98
  6. Step 6: Final answer
    x = 4,993.11

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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.