Home / 7,267.20-10,028.55-4,080.57

Finding the Fourth Proportional to 7,267.20, 10,028.55 and 4,080.57

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Solution

The fourth proportional to 7,267.20, 10,028.55 and 4,080.57 is: 5,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.20 : 10,028.55 = 4,080.57 : x
  2. Step 2: Convert to fraction form
    7,267.20/10,028.55 = 4,080.57/x
  3. Step 3: Cross multiply
    7,267.20x = 10,028.55 × 4,080.57
  4. Step 4: Simplify right side
    7,267.20x = 40,922,200.27
  5. Step 5: Solve for x
    x = 40,922,200.27/7,267.20
  6. Step 6: Final answer
    x = 5,631.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.