Home / 5,006.70-6,909.75-2,768.74

Finding the Fourth Proportional to 5,006.70, 6,909.75 and 2,768.74

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Solution

The fourth proportional to 5,006.70, 6,909.75 and 2,768.74 is: 3,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.70 : 6,909.75 = 2,768.74 : x
  2. Step 2: Convert to fraction form
    5,006.70/6,909.75 = 2,768.74/x
  3. Step 3: Cross multiply
    5,006.70x = 6,909.75 × 2,768.74
  4. Step 4: Simplify right side
    5,006.70x = 19,131,287.37
  5. Step 5: Solve for x
    x = 19,131,287.37/5,006.70
  6. Step 6: Final answer
    x = 3,821.14

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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.