Home / 8,289.59-11,439.83-5,101.70

Finding the Fourth Proportional to 8,289.59, 11,439.83 and 5,101.70

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Solution

The fourth proportional to 8,289.59, 11,439.83 and 5,101.70 is: 7,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.59 : 11,439.83 = 5,101.70 : x
  2. Step 2: Convert to fraction form
    8,289.59/11,439.83 = 5,101.70/x
  3. Step 3: Cross multiply
    8,289.59x = 11,439.83 × 5,101.70
  4. Step 4: Simplify right side
    8,289.59x = 58,362,536.27
  5. Step 5: Solve for x
    x = 58,362,536.27/8,289.59
  6. Step 6: Final answer
    x = 7,040.47

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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.