Home / 5,792.16-7,993.20-3,139.56

Finding the Fourth Proportional to 5,792.16, 7,993.20 and 3,139.56

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Solution

The fourth proportional to 5,792.16, 7,993.20 and 3,139.56 is: 4,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.16 : 7,993.20 = 3,139.56 : x
  2. Step 2: Convert to fraction form
    5,792.16/7,993.20 = 3,139.56/x
  3. Step 3: Cross multiply
    5,792.16x = 7,993.20 × 3,139.56
  4. Step 4: Simplify right side
    5,792.16x = 25,095,130.99
  5. Step 5: Solve for x
    x = 25,095,130.99/5,792.16
  6. Step 6: Final answer
    x = 4,332.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.