Home / 8,555.05-12,832.63-2,631.87

Finding the Fourth Proportional to 8,555.05, 12,832.63 and 2,631.87

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Solution

The fourth proportional to 8,555.05, 12,832.63 and 2,631.87 is: 3,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.05 : 12,832.63 = 2,631.87 : x
  2. Step 2: Convert to fraction form
    8,555.05/12,832.63 = 2,631.87/x
  3. Step 3: Cross multiply
    8,555.05x = 12,832.63 × 2,631.87
  4. Step 4: Simplify right side
    8,555.05x = 33,773,807.34
  5. Step 5: Solve for x
    x = 33,773,807.34/8,555.05
  6. Step 6: Final answer
    x = 3,947.82

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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.