Home / 5,203.36-7,176.66-3,315.28

Finding the Fourth Proportional to 5,203.36, 7,176.66 and 3,315.28

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Solution

The fourth proportional to 5,203.36, 7,176.66 and 3,315.28 is: 4,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.36 : 7,176.66 = 3,315.28 : x
  2. Step 2: Convert to fraction form
    5,203.36/7,176.66 = 3,315.28/x
  3. Step 3: Cross multiply
    5,203.36x = 7,176.66 × 3,315.28
  4. Step 4: Simplify right side
    5,203.36x = 23,792,637.36
  5. Step 5: Solve for x
    x = 23,792,637.36/5,203.36
  6. Step 6: Final answer
    x = 4,572.55

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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.