Home / 4,275.62-6,408.56-1,808.90

Finding the Fourth Proportional to 4,275.62, 6,408.56 and 1,808.90

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Solution

The fourth proportional to 4,275.62, 6,408.56 and 1,808.90 is: 2,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.62 : 6,408.56 = 1,808.90 : x
  2. Step 2: Convert to fraction form
    4,275.62/6,408.56 = 1,808.90/x
  3. Step 3: Cross multiply
    4,275.62x = 6,408.56 × 1,808.90
  4. Step 4: Simplify right side
    4,275.62x = 11,592,416.66
  5. Step 5: Solve for x
    x = 11,592,416.66/4,275.62
  6. Step 6: Final answer
    x = 2,711.29

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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.