Home / 8,266.92-11,409.06-5,122.50

Finding the Fourth Proportional to 8,266.92, 11,409.06 and 5,122.50

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Solution

The fourth proportional to 8,266.92, 11,409.06 and 5,122.50 is: 7,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.92 : 11,409.06 = 5,122.50 : x
  2. Step 2: Convert to fraction form
    8,266.92/11,409.06 = 5,122.50/x
  3. Step 3: Cross multiply
    8,266.92x = 11,409.06 × 5,122.50
  4. Step 4: Simplify right side
    8,266.92x = 58,442,909.85
  5. Step 5: Solve for x
    x = 58,442,909.85/8,266.92
  6. Step 6: Final answer
    x = 7,069.49

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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.