Home / 4,909.26-6,776.24-2,921.03

Finding the Fourth Proportional to 4,909.26, 6,776.24 and 2,921.03

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Solution

The fourth proportional to 4,909.26, 6,776.24 and 2,921.03 is: 4,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.26 : 6,776.24 = 2,921.03 : x
  2. Step 2: Convert to fraction form
    4,909.26/6,776.24 = 2,921.03/x
  3. Step 3: Cross multiply
    4,909.26x = 6,776.24 × 2,921.03
  4. Step 4: Simplify right side
    4,909.26x = 19,793,551.84
  5. Step 5: Solve for x
    x = 19,793,551.84/4,909.26
  6. Step 6: Final answer
    x = 4,031.88

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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.