Home / 5,828.81-8,721.68-3,490.46

Finding the Fourth Proportional to 5,828.81, 8,721.68 and 3,490.46

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Solution

The fourth proportional to 5,828.81, 8,721.68 and 3,490.46 is: 5,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.81 : 8,721.68 = 3,490.46 : x
  2. Step 2: Convert to fraction form
    5,828.81/8,721.68 = 3,490.46/x
  3. Step 3: Cross multiply
    5,828.81x = 8,721.68 × 3,490.46
  4. Step 4: Simplify right side
    5,828.81x = 30,442,692.61
  5. Step 5: Solve for x
    x = 30,442,692.61/5,828.81
  6. Step 6: Final answer
    x = 5,222.80

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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.