Home / 6,354.49-8,769.19-3,521.87

Finding the Fourth Proportional to 6,354.49, 8,769.19 and 3,521.87

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Solution

The fourth proportional to 6,354.49, 8,769.19 and 3,521.87 is: 4,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.49 : 8,769.19 = 3,521.87 : x
  2. Step 2: Convert to fraction form
    6,354.49/8,769.19 = 3,521.87/x
  3. Step 3: Cross multiply
    6,354.49x = 8,769.19 × 3,521.87
  4. Step 4: Simplify right side
    6,354.49x = 30,883,911.79
  5. Step 5: Solve for x
    x = 30,883,911.79/6,354.49
  6. Step 6: Final answer
    x = 4,860.17

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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.