Home / 4,407.90-6,605.84-2,218.14

Finding the Fourth Proportional to 4,407.90, 6,605.84 and 2,218.14

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Solution

The fourth proportional to 4,407.90, 6,605.84 and 2,218.14 is: 3,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.90 : 6,605.84 = 2,218.14 : x
  2. Step 2: Convert to fraction form
    4,407.90/6,605.84 = 2,218.14/x
  3. Step 3: Cross multiply
    4,407.90x = 6,605.84 × 2,218.14
  4. Step 4: Simplify right side
    4,407.90x = 14,652,666.85
  5. Step 5: Solve for x
    x = 14,652,666.85/4,407.90
  6. Step 6: Final answer
    x = 3,324.18

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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.