Home / 6,618.68-9,920.44-2,718.24

Finding the Fourth Proportional to 6,618.68, 9,920.44 and 2,718.24

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Solution

The fourth proportional to 6,618.68, 9,920.44 and 2,718.24 is: 4,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.68 : 9,920.44 = 2,718.24 : x
  2. Step 2: Convert to fraction form
    6,618.68/9,920.44 = 2,718.24/x
  3. Step 3: Cross multiply
    6,618.68x = 9,920.44 × 2,718.24
  4. Step 4: Simplify right side
    6,618.68x = 26,966,136.83
  5. Step 5: Solve for x
    x = 26,966,136.83/6,618.68
  6. Step 6: Final answer
    x = 4,074.25

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1.5x scale

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.