Home / 4,431.18-6,645.20-1,310.36

Finding the Fourth Proportional to 4,431.18, 6,645.20 and 1,310.36

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Solution

The fourth proportional to 4,431.18, 6,645.20 and 1,310.36 is: 1,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.18 : 6,645.20 = 1,310.36 : x
  2. Step 2: Convert to fraction form
    4,431.18/6,645.20 = 1,310.36/x
  3. Step 3: Cross multiply
    4,431.18x = 6,645.20 × 1,310.36
  4. Step 4: Simplify right side
    4,431.18x = 8,707,604.27
  5. Step 5: Solve for x
    x = 8,707,604.27/4,431.18
  6. Step 6: Final answer
    x = 1,965.08

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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.