Home / 8,560.32-11,812-5,022.72

Finding the Fourth Proportional to 8,560.32, 11,812 and 5,022.72

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Solution

The fourth proportional to 8,560.32, 11,812 and 5,022.72 is: 6,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.32 : 11,812 = 5,022.72 : x
  2. Step 2: Convert to fraction form
    8,560.32/11,812 = 5,022.72/x
  3. Step 3: Cross multiply
    8,560.32x = 11,812 × 5,022.72
  4. Step 4: Simplify right side
    8,560.32x = 59,328,368.64
  5. Step 5: Solve for x
    x = 59,328,368.64/8,560.32
  6. Step 6: Final answer
    x = 6,930.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.