Home / 8,867.45-13,303.44-3,320.87

Finding the Fourth Proportional to 8,867.45, 13,303.44 and 3,320.87

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Solution

The fourth proportional to 8,867.45, 13,303.44 and 3,320.87 is: 4,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.45 : 13,303.44 = 3,320.87 : x
  2. Step 2: Convert to fraction form
    8,867.45/13,303.44 = 3,320.87/x
  3. Step 3: Cross multiply
    8,867.45x = 13,303.44 × 3,320.87
  4. Step 4: Simplify right side
    8,867.45x = 44,178,928.28
  5. Step 5: Solve for x
    x = 44,178,928.28/8,867.45
  6. Step 6: Final answer
    x = 4,982.15

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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.