Home / 5,718.06-7,891.48-3,480.08

Finding the Fourth Proportional to 5,718.06, 7,891.48 and 3,480.08

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Solution

The fourth proportional to 5,718.06, 7,891.48 and 3,480.08 is: 4,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.06 : 7,891.48 = 3,480.08 : x
  2. Step 2: Convert to fraction form
    5,718.06/7,891.48 = 3,480.08/x
  3. Step 3: Cross multiply
    5,718.06x = 7,891.48 × 3,480.08
  4. Step 4: Simplify right side
    5,718.06x = 27,462,981.72
  5. Step 5: Solve for x
    x = 27,462,981.72/5,718.06
  6. Step 6: Final answer
    x = 4,802.85

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Why These Related Problems?

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