Home / 6,214.80-9,319.56-2,922.12

Finding the Fourth Proportional to 6,214.80, 9,319.56 and 2,922.12

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Solution

The fourth proportional to 6,214.80, 9,319.56 and 2,922.12 is: 4,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.80 : 9,319.56 = 2,922.12 : x
  2. Step 2: Convert to fraction form
    6,214.80/9,319.56 = 2,922.12/x
  3. Step 3: Cross multiply
    6,214.80x = 9,319.56 × 2,922.12
  4. Step 4: Simplify right side
    6,214.80x = 27,232,872.67
  5. Step 5: Solve for x
    x = 27,232,872.67/6,214.80
  6. Step 6: Final answer
    x = 4,381.94

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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.