Home / 7,377.95-11,068.97-3,218.32

Finding the Fourth Proportional to 7,377.95, 11,068.97 and 3,218.32

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Solution

The fourth proportional to 7,377.95, 11,068.97 and 3,218.32 is: 4,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.95 : 11,068.97 = 3,218.32 : x
  2. Step 2: Convert to fraction form
    7,377.95/11,068.97 = 3,218.32/x
  3. Step 3: Cross multiply
    7,377.95x = 11,068.97 × 3,218.32
  4. Step 4: Simplify right side
    7,377.95x = 35,623,487.53
  5. Step 5: Solve for x
    x = 35,623,487.53/7,377.95
  6. Step 6: Final answer
    x = 4,828.37

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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.