Home / 5,712.80-8,569.36-2,017.58

Finding the Fourth Proportional to 5,712.80, 8,569.36 and 2,017.58

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Solution

The fourth proportional to 5,712.80, 8,569.36 and 2,017.58 is: 3,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.80 : 8,569.36 = 2,017.58 : x
  2. Step 2: Convert to fraction form
    5,712.80/8,569.36 = 2,017.58/x
  3. Step 3: Cross multiply
    5,712.80x = 8,569.36 × 2,017.58
  4. Step 4: Simplify right side
    5,712.80x = 17,289,329.02
  5. Step 5: Solve for x
    x = 17,289,329.02/5,712.80
  6. Step 6: Final answer
    x = 3,026.42

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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.