Home / 4,360.98-6,540.83-1,438.91

Finding the Fourth Proportional to 4,360.98, 6,540.83 and 1,438.91

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Solution

The fourth proportional to 4,360.98, 6,540.83 and 1,438.91 is: 2,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,360.98 : 6,540.83 = 1,438.91 : x
  2. Step 2: Convert to fraction form
    4,360.98/6,540.83 = 1,438.91/x
  3. Step 3: Cross multiply
    4,360.98x = 6,540.83 × 1,438.91
  4. Step 4: Simplify right side
    4,360.98x = 9,411,665.70
  5. Step 5: Solve for x
    x = 9,411,665.70/4,360.98
  6. Step 6: Final answer
    x = 2,158.15

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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.