Home / 5,792.40-8,688.78-2,505.57

Finding the Fourth Proportional to 5,792.40, 8,688.78 and 2,505.57

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Solution

The fourth proportional to 5,792.40, 8,688.78 and 2,505.57 is: 3,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.40 : 8,688.78 = 2,505.57 : x
  2. Step 2: Convert to fraction form
    5,792.40/8,688.78 = 2,505.57/x
  3. Step 3: Cross multiply
    5,792.40x = 8,688.78 × 2,505.57
  4. Step 4: Simplify right side
    5,792.40x = 21,770,346.50
  5. Step 5: Solve for x
    x = 21,770,346.50/5,792.40
  6. Step 6: Final answer
    x = 3,758.43

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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.