Home / 4,315.01-6,468.30-1,391.31

Finding the Fourth Proportional to 4,315.01, 6,468.30 and 1,391.31

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Solution

The fourth proportional to 4,315.01, 6,468.30 and 1,391.31 is: 2,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.01 : 6,468.30 = 1,391.31 : x
  2. Step 2: Convert to fraction form
    4,315.01/6,468.30 = 1,391.31/x
  3. Step 3: Cross multiply
    4,315.01x = 6,468.30 × 1,391.31
  4. Step 4: Simplify right side
    4,315.01x = 8,999,410.47
  5. Step 5: Solve for x
    x = 8,999,410.47/4,315.01
  6. Step 6: Final answer
    x = 2,085.61

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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.