Home / 5,428.32-8,133.17-2,964.86

Finding the Fourth Proportional to 5,428.32, 8,133.17 and 2,964.86

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Solution

The fourth proportional to 5,428.32, 8,133.17 and 2,964.86 is: 4,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.32 : 8,133.17 = 2,964.86 : x
  2. Step 2: Convert to fraction form
    5,428.32/8,133.17 = 2,964.86/x
  3. Step 3: Cross multiply
    5,428.32x = 8,133.17 × 2,964.86
  4. Step 4: Simplify right side
    5,428.32x = 24,113,702.09
  5. Step 5: Solve for x
    x = 24,113,702.09/5,428.32
  6. Step 6: Final answer
    x = 4,442.21

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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.