Home / 5,817.76-8,028.51-3,165.16

Finding the Fourth Proportional to 5,817.76, 8,028.51 and 3,165.16

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Solution

The fourth proportional to 5,817.76, 8,028.51 and 3,165.16 is: 4,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.76 : 8,028.51 = 3,165.16 : x
  2. Step 2: Convert to fraction form
    5,817.76/8,028.51 = 3,165.16/x
  3. Step 3: Cross multiply
    5,817.76x = 8,028.51 × 3,165.16
  4. Step 4: Simplify right side
    5,817.76x = 25,411,518.71
  5. Step 5: Solve for x
    x = 25,411,518.71/5,817.76
  6. Step 6: Final answer
    x = 4,367.92

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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.