Home / 4,584.78-6,320.16-2,815.02

Finding the Fourth Proportional to 4,584.78, 6,320.16 and 2,815.02

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Solution

The fourth proportional to 4,584.78, 6,320.16 and 2,815.02 is: 3,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584.78 : 6,320.16 = 2,815.02 : x
  2. Step 2: Convert to fraction form
    4,584.78/6,320.16 = 2,815.02/x
  3. Step 3: Cross multiply
    4,584.78x = 6,320.16 × 2,815.02
  4. Step 4: Simplify right side
    4,584.78x = 17,791,376.80
  5. Step 5: Solve for x
    x = 17,791,376.80/4,584.78
  6. Step 6: Final answer
    x = 3,880.53

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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.