Home / 8,289.90-11,439.03-5,606.97

Finding the Fourth Proportional to 8,289.90, 11,439.03 and 5,606.97

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Solution

The fourth proportional to 8,289.90, 11,439.03 and 5,606.97 is: 7,736.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.90 : 11,439.03 = 5,606.97 : x
  2. Step 2: Convert to fraction form
    8,289.90/11,439.03 = 5,606.97/x
  3. Step 3: Cross multiply
    8,289.90x = 11,439.03 × 5,606.97
  4. Step 4: Simplify right side
    8,289.90x = 64,138,298.04
  5. Step 5: Solve for x
    x = 64,138,298.04/8,289.90
  6. Step 6: Final answer
    x = 7,736.92

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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.