Home / 8,510.23-12,770.34-3,579.49

Finding the Fourth Proportional to 8,510.23, 12,770.34 and 3,579.49

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Solution

The fourth proportional to 8,510.23, 12,770.34 and 3,579.49 is: 5,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.23 : 12,770.34 = 3,579.49 : x
  2. Step 2: Convert to fraction form
    8,510.23/12,770.34 = 3,579.49/x
  3. Step 3: Cross multiply
    8,510.23x = 12,770.34 × 3,579.49
  4. Step 4: Simplify right side
    8,510.23x = 45,711,222.58
  5. Step 5: Solve for x
    x = 45,711,222.58/8,510.23
  6. Step 6: Final answer
    x = 5,371.33

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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.