Home / 5,817.81-8,028.50-3,165.18

Finding the Fourth Proportional to 5,817.81, 8,028.50 and 3,165.18

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Solution

The fourth proportional to 5,817.81, 8,028.50 and 3,165.18 is: 4,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.81 : 8,028.50 = 3,165.18 : x
  2. Step 2: Convert to fraction form
    5,817.81/8,028.50 = 3,165.18/x
  3. Step 3: Cross multiply
    5,817.81x = 8,028.50 × 3,165.18
  4. Step 4: Simplify right side
    5,817.81x = 25,411,647.63
  5. Step 5: Solve for x
    x = 25,411,647.63/5,817.81
  6. Step 6: Final answer
    x = 4,367.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.