Home / 7,712.46-11,569.29-2,518.86

Finding the Fourth Proportional to 7,712.46, 11,569.29 and 2,518.86

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Solution

The fourth proportional to 7,712.46, 11,569.29 and 2,518.86 is: 3,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.46 : 11,569.29 = 2,518.86 : x
  2. Step 2: Convert to fraction form
    7,712.46/11,569.29 = 2,518.86/x
  3. Step 3: Cross multiply
    7,712.46x = 11,569.29 × 2,518.86
  4. Step 4: Simplify right side
    7,712.46x = 29,141,421.81
  5. Step 5: Solve for x
    x = 29,141,421.81/7,712.46
  6. Step 6: Final answer
    x = 3,778.49

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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.