Home / 4,210.54-6,315.82-1,742.66

Finding the Fourth Proportional to 4,210.54, 6,315.82 and 1,742.66

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Solution

The fourth proportional to 4,210.54, 6,315.82 and 1,742.66 is: 2,613.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.54 : 6,315.82 = 1,742.66 : x
  2. Step 2: Convert to fraction form
    4,210.54/6,315.82 = 1,742.66/x
  3. Step 3: Cross multiply
    4,210.54x = 6,315.82 × 1,742.66
  4. Step 4: Simplify right side
    4,210.54x = 11,006,326.88
  5. Step 5: Solve for x
    x = 11,006,326.88/4,210.54
  6. Step 6: Final answer
    x = 2,613.99

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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.