Home / 7,080.72-10,618.44-2,148.88

Finding the Fourth Proportional to 7,080.72, 10,618.44 and 2,148.88

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Solution

The fourth proportional to 7,080.72, 10,618.44 and 2,148.88 is: 3,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.72 : 10,618.44 = 2,148.88 : x
  2. Step 2: Convert to fraction form
    7,080.72/10,618.44 = 2,148.88/x
  3. Step 3: Cross multiply
    7,080.72x = 10,618.44 × 2,148.88
  4. Step 4: Simplify right side
    7,080.72x = 22,817,753.35
  5. Step 5: Solve for x
    x = 22,817,753.35/7,080.72
  6. Step 6: Final answer
    x = 3,222.52

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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.