Home / 5,040.87-6,956.85-2,802.70

Finding the Fourth Proportional to 5,040.87, 6,956.85 and 2,802.70

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Solution

The fourth proportional to 5,040.87, 6,956.85 and 2,802.70 is: 3,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.87 : 6,956.85 = 2,802.70 : x
  2. Step 2: Convert to fraction form
    5,040.87/6,956.85 = 2,802.70/x
  3. Step 3: Cross multiply
    5,040.87x = 6,956.85 × 2,802.70
  4. Step 4: Simplify right side
    5,040.87x = 19,497,982.70
  5. Step 5: Solve for x
    x = 19,497,982.70/5,040.87
  6. Step 6: Final answer
    x = 3,867.98

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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.