Home / 7,089.80-10,627.18-3,384.20

Finding the Fourth Proportional to 7,089.80, 10,627.18 and 3,384.20

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Solution

The fourth proportional to 7,089.80, 10,627.18 and 3,384.20 is: 5,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.80 : 10,627.18 = 3,384.20 : x
  2. Step 2: Convert to fraction form
    7,089.80/10,627.18 = 3,384.20/x
  3. Step 3: Cross multiply
    7,089.80x = 10,627.18 × 3,384.20
  4. Step 4: Simplify right side
    7,089.80x = 35,964,520.66
  5. Step 5: Solve for x
    x = 35,964,520.66/7,089.80
  6. Step 6: Final answer
    x = 5,072.72

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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.