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Finding the Fourth Proportional to 5,817.64, 8,719.30 and 2,693.41

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Solution

The fourth proportional to 5,817.64, 8,719.30 and 2,693.41 is: 4,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.64 : 8,719.30 = 2,693.41 : x
  2. Step 2: Convert to fraction form
    5,817.64/8,719.30 = 2,693.41/x
  3. Step 3: Cross multiply
    5,817.64x = 8,719.30 × 2,693.41
  4. Step 4: Simplify right side
    5,817.64x = 23,484,649.81
  5. Step 5: Solve for x
    x = 23,484,649.81/5,817.64
  6. Step 6: Final answer
    x = 4,036.80

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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.