Home / 4,981.60-7,472.58-3,813.28

Finding the Fourth Proportional to 4,981.60, 7,472.58 and 3,813.28

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Solution

The fourth proportional to 4,981.60, 7,472.58 and 3,813.28 is: 5,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.60 : 7,472.58 = 3,813.28 : x
  2. Step 2: Convert to fraction form
    4,981.60/7,472.58 = 3,813.28/x
  3. Step 3: Cross multiply
    4,981.60x = 7,472.58 × 3,813.28
  4. Step 4: Simplify right side
    4,981.60x = 28,495,039.86
  5. Step 5: Solve for x
    x = 28,495,039.86/4,981.60
  6. Step 6: Final answer
    x = 5,720.06

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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.