Home / 7,643.28-11,467.08-2,449.52

Finding the Fourth Proportional to 7,643.28, 11,467.08 and 2,449.52

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Solution

The fourth proportional to 7,643.28, 11,467.08 and 2,449.52 is: 3,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.28 : 11,467.08 = 2,449.52 : x
  2. Step 2: Convert to fraction form
    7,643.28/11,467.08 = 2,449.52/x
  3. Step 3: Cross multiply
    7,643.28x = 11,467.08 × 2,449.52
  4. Step 4: Simplify right side
    7,643.28x = 28,088,841.80
  5. Step 5: Solve for x
    x = 28,088,841.80/7,643.28
  6. Step 6: Final answer
    x = 3,674.97

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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.