Home / 5,977.47-8,966.57-1,817.78

Finding the Fourth Proportional to 5,977.47, 8,966.57 and 1,817.78

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Solution

The fourth proportional to 5,977.47, 8,966.57 and 1,817.78 is: 2,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.47 : 8,966.57 = 1,817.78 : x
  2. Step 2: Convert to fraction form
    5,977.47/8,966.57 = 1,817.78/x
  3. Step 3: Cross multiply
    5,977.47x = 8,966.57 × 1,817.78
  4. Step 4: Simplify right side
    5,977.47x = 16,299,276.35
  5. Step 5: Solve for x
    x = 16,299,276.35/5,977.47
  6. Step 6: Final answer
    x = 2,726.79

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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.