Home / 5,006.89-6,909.81-2,768.72

Finding the Fourth Proportional to 5,006.89, 6,909.81 and 2,768.72

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Solution

The fourth proportional to 5,006.89, 6,909.81 and 2,768.72 is: 3,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.89 : 6,909.81 = 2,768.72 : x
  2. Step 2: Convert to fraction form
    5,006.89/6,909.81 = 2,768.72/x
  3. Step 3: Cross multiply
    5,006.89x = 6,909.81 × 2,768.72
  4. Step 4: Simplify right side
    5,006.89x = 19,131,322.12
  5. Step 5: Solve for x
    x = 19,131,322.12/5,006.89
  6. Step 6: Final answer
    x = 3,821.00

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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.