Home / 5,410.16-8,116.32-1,515.68

Finding the Fourth Proportional to 5,410.16, 8,116.32 and 1,515.68

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Solution

The fourth proportional to 5,410.16, 8,116.32 and 1,515.68 is: 2,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.16 : 8,116.32 = 1,515.68 : x
  2. Step 2: Convert to fraction form
    5,410.16/8,116.32 = 1,515.68/x
  3. Step 3: Cross multiply
    5,410.16x = 8,116.32 × 1,515.68
  4. Step 4: Simplify right side
    5,410.16x = 12,301,743.90
  5. Step 5: Solve for x
    x = 12,301,743.90/5,410.16
  6. Step 6: Final answer
    x = 2,273.82

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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.