Home / 5,221.74-7,205.98-2,864.03

Finding the Fourth Proportional to 5,221.74, 7,205.98 and 2,864.03

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Solution

The fourth proportional to 5,221.74, 7,205.98 and 2,864.03 is: 3,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.74 : 7,205.98 = 2,864.03 : x
  2. Step 2: Convert to fraction form
    5,221.74/7,205.98 = 2,864.03/x
  3. Step 3: Cross multiply
    5,221.74x = 7,205.98 × 2,864.03
  4. Step 4: Simplify right side
    5,221.74x = 20,638,142.90
  5. Step 5: Solve for x
    x = 20,638,142.90/5,221.74
  6. Step 6: Final answer
    x = 3,952.35

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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.