Home / 5,007.81-6,910.67-2,769.71

Finding the Fourth Proportional to 5,007.81, 6,910.67 and 2,769.71

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Solution

The fourth proportional to 5,007.81, 6,910.67 and 2,769.71 is: 3,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.81 : 6,910.67 = 2,769.71 : x
  2. Step 2: Convert to fraction form
    5,007.81/6,910.67 = 2,769.71/x
  3. Step 3: Cross multiply
    5,007.81x = 6,910.67 × 2,769.71
  4. Step 4: Simplify right side
    5,007.81x = 19,140,551.81
  5. Step 5: Solve for x
    x = 19,140,551.81/5,007.81
  6. Step 6: Final answer
    x = 3,822.14

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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.