Home / 4,340.79-5,987.32-2,768.18

Finding the Fourth Proportional to 4,340.79, 5,987.32 and 2,768.18

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Solution

The fourth proportional to 4,340.79, 5,987.32 and 2,768.18 is: 3,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.79 : 5,987.32 = 2,768.18 : x
  2. Step 2: Convert to fraction form
    4,340.79/5,987.32 = 2,768.18/x
  3. Step 3: Cross multiply
    4,340.79x = 5,987.32 × 2,768.18
  4. Step 4: Simplify right side
    4,340.79x = 16,573,942.62
  5. Step 5: Solve for x
    x = 16,573,942.62/4,340.79
  6. Step 6: Final answer
    x = 3,818.19

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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.