Home / 4,231.29-6,347.90-1,458

Finding the Fourth Proportional to 4,231.29, 6,347.90 and 1,458

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Solution

The fourth proportional to 4,231.29, 6,347.90 and 1,458 is: 2,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.29 : 6,347.90 = 1,458 : x
  2. Step 2: Convert to fraction form
    4,231.29/6,347.90 = 1,458/x
  3. Step 3: Cross multiply
    4,231.29x = 6,347.90 × 1,458
  4. Step 4: Simplify right side
    4,231.29x = 9,255,238.20
  5. Step 5: Solve for x
    x = 9,255,238.20/4,231.29
  6. Step 6: Final answer
    x = 2,187.33

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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.