Home / 5,712.81-8,569.91-2,014.28

Finding the Fourth Proportional to 5,712.81, 8,569.91 and 2,014.28

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Solution

The fourth proportional to 5,712.81, 8,569.91 and 2,014.28 is: 3,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.81 : 8,569.91 = 2,014.28 : x
  2. Step 2: Convert to fraction form
    5,712.81/8,569.91 = 2,014.28/x
  3. Step 3: Cross multiply
    5,712.81x = 8,569.91 × 2,014.28
  4. Step 4: Simplify right side
    5,712.81x = 17,262,145.39
  5. Step 5: Solve for x
    x = 17,262,145.39/5,712.81
  6. Step 6: Final answer
    x = 3,021.66

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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.