Home / 5,102.54-7,643.57-3,718.81

Finding the Fourth Proportional to 5,102.54, 7,643.57 and 3,718.81

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Solution

The fourth proportional to 5,102.54, 7,643.57 and 3,718.81 is: 5,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.54 : 7,643.57 = 3,718.81 : x
  2. Step 2: Convert to fraction form
    5,102.54/7,643.57 = 3,718.81/x
  3. Step 3: Cross multiply
    5,102.54x = 7,643.57 × 3,718.81
  4. Step 4: Simplify right side
    5,102.54x = 28,424,975.51
  5. Step 5: Solve for x
    x = 28,424,975.51/5,102.54
  6. Step 6: Final answer
    x = 5,570.75

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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.