Home / 8,722.92-13,064.58-4,330.56

Finding the Fourth Proportional to 8,722.92, 13,064.58 and 4,330.56

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Solution

The fourth proportional to 8,722.92, 13,064.58 and 4,330.56 is: 6,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.92 : 13,064.58 = 4,330.56 : x
  2. Step 2: Convert to fraction form
    8,722.92/13,064.58 = 4,330.56/x
  3. Step 3: Cross multiply
    8,722.92x = 13,064.58 × 4,330.56
  4. Step 4: Simplify right side
    8,722.92x = 56,576,947.56
  5. Step 5: Solve for x
    x = 56,576,947.56/8,722.92
  6. Step 6: Final answer
    x = 6,486.01

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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.