Home / 5,003.22-7,506.98-2,808.66

Finding the Fourth Proportional to 5,003.22, 7,506.98 and 2,808.66

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Solution

The fourth proportional to 5,003.22, 7,506.98 and 2,808.66 is: 4,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.22 : 7,506.98 = 2,808.66 : x
  2. Step 2: Convert to fraction form
    5,003.22/7,506.98 = 2,808.66/x
  3. Step 3: Cross multiply
    5,003.22x = 7,506.98 × 2,808.66
  4. Step 4: Simplify right side
    5,003.22x = 21,084,554.45
  5. Step 5: Solve for x
    x = 21,084,554.45/5,003.22
  6. Step 6: Final answer
    x = 4,214.20

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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.