Home / 4,718.31-6,511.23-2,622.39

Finding the Fourth Proportional to 4,718.31, 6,511.23 and 2,622.39

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Solution

The fourth proportional to 4,718.31, 6,511.23 and 2,622.39 is: 3,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.31 : 6,511.23 = 2,622.39 : x
  2. Step 2: Convert to fraction form
    4,718.31/6,511.23 = 2,622.39/x
  3. Step 3: Cross multiply
    4,718.31x = 6,511.23 × 2,622.39
  4. Step 4: Simplify right side
    4,718.31x = 17,074,984.44
  5. Step 5: Solve for x
    x = 17,074,984.44/4,718.31
  6. Step 6: Final answer
    x = 3,618.88

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1.5x scale

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.