Home / 7,742.78-11,614.44-4,454.36

Finding the Fourth Proportional to 7,742.78, 11,614.44 and 4,454.36

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Solution

The fourth proportional to 7,742.78, 11,614.44 and 4,454.36 is: 6,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.78 : 11,614.44 = 4,454.36 : x
  2. Step 2: Convert to fraction form
    7,742.78/11,614.44 = 4,454.36/x
  3. Step 3: Cross multiply
    7,742.78x = 11,614.44 × 4,454.36
  4. Step 4: Simplify right side
    7,742.78x = 51,734,896.96
  5. Step 5: Solve for x
    x = 51,734,896.96/7,742.78
  6. Step 6: Final answer
    x = 6,681.70

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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.