Home / 5,688.73-8,528.51-3,816.57

Finding the Fourth Proportional to 5,688.73, 8,528.51 and 3,816.57

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Solution

The fourth proportional to 5,688.73, 8,528.51 and 3,816.57 is: 5,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.73 : 8,528.51 = 3,816.57 : x
  2. Step 2: Convert to fraction form
    5,688.73/8,528.51 = 3,816.57/x
  3. Step 3: Cross multiply
    5,688.73x = 8,528.51 × 3,816.57
  4. Step 4: Simplify right side
    5,688.73x = 32,549,664.95
  5. Step 5: Solve for x
    x = 32,549,664.95/5,688.73
  6. Step 6: Final answer
    x = 5,721.78

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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.