Home / 8,901.78-13,350.60-3,355.68

Finding the Fourth Proportional to 8,901.78, 13,350.60 and 3,355.68

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Solution

The fourth proportional to 8,901.78, 13,350.60 and 3,355.68 is: 5,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.78 : 13,350.60 = 3,355.68 : x
  2. Step 2: Convert to fraction form
    8,901.78/13,350.60 = 3,355.68/x
  3. Step 3: Cross multiply
    8,901.78x = 13,350.60 × 3,355.68
  4. Step 4: Simplify right side
    8,901.78x = 44,800,341.41
  5. Step 5: Solve for x
    x = 44,800,341.41/8,901.78
  6. Step 6: Final answer
    x = 5,032.74

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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.