Home / 7,039.20-10,552.26-2,653.68

Finding the Fourth Proportional to 7,039.20, 10,552.26 and 2,653.68

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Solution

The fourth proportional to 7,039.20, 10,552.26 and 2,653.68 is: 3,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.20 : 10,552.26 = 2,653.68 : x
  2. Step 2: Convert to fraction form
    7,039.20/10,552.26 = 2,653.68/x
  3. Step 3: Cross multiply
    7,039.20x = 10,552.26 × 2,653.68
  4. Step 4: Simplify right side
    7,039.20x = 28,002,321.32
  5. Step 5: Solve for x
    x = 28,002,321.32/7,039.20
  6. Step 6: Final answer
    x = 3,978.05

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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.