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Finding the Fourth Proportional to 4,718, 6,510.84 and 2,622.54

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Solution

The fourth proportional to 4,718, 6,510.84 and 2,622.54 is: 3,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718 : 6,510.84 = 2,622.54 : x
  2. Step 2: Convert to fraction form
    4,718/6,510.84 = 2,622.54/x
  3. Step 3: Cross multiply
    4,718x = 6,510.84 × 2,622.54
  4. Step 4: Simplify right side
    4,718x = 17,074,938.33
  5. Step 5: Solve for x
    x = 17,074,938.33/4,718
  6. Step 6: Final answer
    x = 3,619.11

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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.