Home / 7,479.48-11,221.98-2,549.64

Finding the Fourth Proportional to 7,479.48, 11,221.98 and 2,549.64

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Solution

The fourth proportional to 7,479.48, 11,221.98 and 2,549.64 is: 3,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.48 : 11,221.98 = 2,549.64 : x
  2. Step 2: Convert to fraction form
    7,479.48/11,221.98 = 2,549.64/x
  3. Step 3: Cross multiply
    7,479.48x = 11,221.98 × 2,549.64
  4. Step 4: Simplify right side
    7,479.48x = 28,612,009.09
  5. Step 5: Solve for x
    x = 28,612,009.09/7,479.48
  6. Step 6: Final answer
    x = 3,825.40

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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.