Home / 8,639.76-11,924.02-4,863.67

Finding the Fourth Proportional to 8,639.76, 11,924.02 and 4,863.67

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Solution

The fourth proportional to 8,639.76, 11,924.02 and 4,863.67 is: 6,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639.76 : 11,924.02 = 4,863.67 : x
  2. Step 2: Convert to fraction form
    8,639.76/11,924.02 = 4,863.67/x
  3. Step 3: Cross multiply
    8,639.76x = 11,924.02 × 4,863.67
  4. Step 4: Simplify right side
    8,639.76x = 57,994,414.41
  5. Step 5: Solve for x
    x = 57,994,414.41/8,639.76
  6. Step 6: Final answer
    x = 6,712.50

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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.