Home / 5,247.41-7,864.43-2,783.39

Finding the Fourth Proportional to 5,247.41, 7,864.43 and 2,783.39

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Solution

The fourth proportional to 5,247.41, 7,864.43 and 2,783.39 is: 4,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.41 : 7,864.43 = 2,783.39 : x
  2. Step 2: Convert to fraction form
    5,247.41/7,864.43 = 2,783.39/x
  3. Step 3: Cross multiply
    5,247.41x = 7,864.43 × 2,783.39
  4. Step 4: Simplify right side
    5,247.41x = 21,889,722.58
  5. Step 5: Solve for x
    x = 21,889,722.58/5,247.41
  6. Step 6: Final answer
    x = 4,171.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.