Home / 6,421.84-9,635.54-2,264.82

Finding the Fourth Proportional to 6,421.84, 9,635.54 and 2,264.82

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Solution

The fourth proportional to 6,421.84, 9,635.54 and 2,264.82 is: 3,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.84 : 9,635.54 = 2,264.82 : x
  2. Step 2: Convert to fraction form
    6,421.84/9,635.54 = 2,264.82/x
  3. Step 3: Cross multiply
    6,421.84x = 9,635.54 × 2,264.82
  4. Step 4: Simplify right side
    6,421.84x = 21,822,763.70
  5. Step 5: Solve for x
    x = 21,822,763.70/6,421.84
  6. Step 6: Final answer
    x = 3,398.21

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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.