Home / 4,020.90-5,548.86-2,427.63

Finding the Fourth Proportional to 4,020.90, 5,548.86 and 2,427.63

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Solution

The fourth proportional to 4,020.90, 5,548.86 and 2,427.63 is: 3,350.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.90 : 5,548.86 = 2,427.63 : x
  2. Step 2: Convert to fraction form
    4,020.90/5,548.86 = 2,427.63/x
  3. Step 3: Cross multiply
    4,020.90x = 5,548.86 × 2,427.63
  4. Step 4: Simplify right side
    4,020.90x = 13,470,579.00
  5. Step 5: Solve for x
    x = 13,470,579.00/4,020.90
  6. Step 6: Final answer
    x = 3,350.14

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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.