Home / 7,080.08-10,621.50-2,697.20

Finding the Fourth Proportional to 7,080.08, 10,621.50 and 2,697.20

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Solution

The fourth proportional to 7,080.08, 10,621.50 and 2,697.20 is: 4,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.08 : 10,621.50 = 2,697.20 : x
  2. Step 2: Convert to fraction form
    7,080.08/10,621.50 = 2,697.20/x
  3. Step 3: Cross multiply
    7,080.08x = 10,621.50 × 2,697.20
  4. Step 4: Simplify right side
    7,080.08x = 28,648,309.80
  5. Step 5: Solve for x
    x = 28,648,309.80/7,080.08
  6. Step 6: Final answer
    x = 4,046.33

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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.