Home / 4,639.63-6,959.13-2,175

Finding the Fourth Proportional to 4,639.63, 6,959.13 and 2,175

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Solution

The fourth proportional to 4,639.63, 6,959.13 and 2,175 is: 3,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.63 : 6,959.13 = 2,175 : x
  2. Step 2: Convert to fraction form
    4,639.63/6,959.13 = 2,175/x
  3. Step 3: Cross multiply
    4,639.63x = 6,959.13 × 2,175
  4. Step 4: Simplify right side
    4,639.63x = 15,136,107.75
  5. Step 5: Solve for x
    x = 15,136,107.75/4,639.63
  6. Step 6: Final answer
    x = 3,262.35

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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.