Home / 5,768.48-8,650.76-1,871.92

Finding the Fourth Proportional to 5,768.48, 8,650.76 and 1,871.92

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Solution

The fourth proportional to 5,768.48, 8,650.76 and 1,871.92 is: 2,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.48 : 8,650.76 = 1,871.92 : x
  2. Step 2: Convert to fraction form
    5,768.48/8,650.76 = 1,871.92/x
  3. Step 3: Cross multiply
    5,768.48x = 8,650.76 × 1,871.92
  4. Step 4: Simplify right side
    5,768.48x = 16,193,530.66
  5. Step 5: Solve for x
    x = 16,193,530.66/5,768.48
  6. Step 6: Final answer
    x = 2,807.24

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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.