Home / 4,278.82-6,419.10-2,430.82

Finding the Fourth Proportional to 4,278.82, 6,419.10 and 2,430.82

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Solution

The fourth proportional to 4,278.82, 6,419.10 and 2,430.82 is: 3,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.82 : 6,419.10 = 2,430.82 : x
  2. Step 2: Convert to fraction form
    4,278.82/6,419.10 = 2,430.82/x
  3. Step 3: Cross multiply
    4,278.82x = 6,419.10 × 2,430.82
  4. Step 4: Simplify right side
    4,278.82x = 15,603,676.66
  5. Step 5: Solve for x
    x = 15,603,676.66/4,278.82
  6. Step 6: Final answer
    x = 3,646.72

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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.