Home / 6,680.04-10,017.78-2,782.44

Finding the Fourth Proportional to 6,680.04, 10,017.78 and 2,782.44

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Solution

The fourth proportional to 6,680.04, 10,017.78 and 2,782.44 is: 4,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.04 : 10,017.78 = 2,782.44 : x
  2. Step 2: Convert to fraction form
    6,680.04/10,017.78 = 2,782.44/x
  3. Step 3: Cross multiply
    6,680.04x = 10,017.78 × 2,782.44
  4. Step 4: Simplify right side
    6,680.04x = 27,873,871.78
  5. Step 5: Solve for x
    x = 27,873,871.78/6,680.04
  6. Step 6: Final answer
    x = 4,172.71

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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.