Home / 8,631.72-11,904.39-5,947.22

Finding the Fourth Proportional to 8,631.72, 11,904.39 and 5,947.22

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Solution

The fourth proportional to 8,631.72, 11,904.39 and 5,947.22 is: 8,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.72 : 11,904.39 = 5,947.22 : x
  2. Step 2: Convert to fraction form
    8,631.72/11,904.39 = 5,947.22/x
  3. Step 3: Cross multiply
    8,631.72x = 11,904.39 × 5,947.22
  4. Step 4: Simplify right side
    8,631.72x = 70,798,026.30
  5. Step 5: Solve for x
    x = 70,798,026.30/8,631.72
  6. Step 6: Final answer
    x = 8,202.08

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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.