Home / 8,822.91-13,216.70-5,311.05

Finding the Fourth Proportional to 8,822.91, 13,216.70 and 5,311.05

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Solution

The fourth proportional to 8,822.91, 13,216.70 and 5,311.05 is: 7,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.91 : 13,216.70 = 5,311.05 : x
  2. Step 2: Convert to fraction form
    8,822.91/13,216.70 = 5,311.05/x
  3. Step 3: Cross multiply
    8,822.91x = 13,216.70 × 5,311.05
  4. Step 4: Simplify right side
    8,822.91x = 70,194,527.98
  5. Step 5: Solve for x
    x = 70,194,527.98/8,822.91
  6. Step 6: Final answer
    x = 7,955.94

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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.