Home / 4,254.80-6,371.57-2,690.08

Finding the Fourth Proportional to 4,254.80, 6,371.57 and 2,690.08

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Solution

The fourth proportional to 4,254.80, 6,371.57 and 2,690.08 is: 4,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.80 : 6,371.57 = 2,690.08 : x
  2. Step 2: Convert to fraction form
    4,254.80/6,371.57 = 2,690.08/x
  3. Step 3: Cross multiply
    4,254.80x = 6,371.57 × 2,690.08
  4. Step 4: Simplify right side
    4,254.80x = 17,140,023.82
  5. Step 5: Solve for x
    x = 17,140,023.82/4,254.80
  6. Step 6: Final answer
    x = 4,028.40

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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.