Home / 5,780.09-8,663.21-3,316.61

Finding the Fourth Proportional to 5,780.09, 8,663.21 and 3,316.61

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Solution

The fourth proportional to 5,780.09, 8,663.21 and 3,316.61 is: 4,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.09 : 8,663.21 = 3,316.61 : x
  2. Step 2: Convert to fraction form
    5,780.09/8,663.21 = 3,316.61/x
  3. Step 3: Cross multiply
    5,780.09x = 8,663.21 × 3,316.61
  4. Step 4: Simplify right side
    5,780.09x = 28,732,472.34
  5. Step 5: Solve for x
    x = 28,732,472.34/5,780.09
  6. Step 6: Final answer
    x = 4,970.94

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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.