Home / 5,710.80-8,569.44-3,116.64

Finding the Fourth Proportional to 5,710.80, 8,569.44 and 3,116.64

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Solution

The fourth proportional to 5,710.80, 8,569.44 and 3,116.64 is: 4,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.80 : 8,569.44 = 3,116.64 : x
  2. Step 2: Convert to fraction form
    5,710.80/8,569.44 = 3,116.64/x
  3. Step 3: Cross multiply
    5,710.80x = 8,569.44 × 3,116.64
  4. Step 4: Simplify right side
    5,710.80x = 26,707,859.48
  5. Step 5: Solve for x
    x = 26,707,859.48/5,710.80
  6. Step 6: Final answer
    x = 4,676.73

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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.