Home / 5,740.88-8,612.68-1,845.28

Finding the Fourth Proportional to 5,740.88, 8,612.68 and 1,845.28

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Solution

The fourth proportional to 5,740.88, 8,612.68 and 1,845.28 is: 2,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.88 : 8,612.68 = 1,845.28 : x
  2. Step 2: Convert to fraction form
    5,740.88/8,612.68 = 1,845.28/x
  3. Step 3: Cross multiply
    5,740.88x = 8,612.68 × 1,845.28
  4. Step 4: Simplify right side
    5,740.88x = 15,892,815.76
  5. Step 5: Solve for x
    x = 15,892,815.76/5,740.88
  6. Step 6: Final answer
    x = 2,768.36

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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.