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Finding the Fourth Proportional to 7,080.08, 10,619.55 and 2,149.74

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Solution

The fourth proportional to 7,080.08, 10,619.55 and 2,149.74 is: 3,224.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.08 : 10,619.55 = 2,149.74 : x
  2. Step 2: Convert to fraction form
    7,080.08/10,619.55 = 2,149.74/x
  3. Step 3: Cross multiply
    7,080.08x = 10,619.55 × 2,149.74
  4. Step 4: Simplify right side
    7,080.08x = 22,829,271.42
  5. Step 5: Solve for x
    x = 22,829,271.42/7,080.08
  6. Step 6: Final answer
    x = 3,224.44

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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.