Home / 5,410.46-8,115.06-1,515.18

Finding the Fourth Proportional to 5,410.46, 8,115.06 and 1,515.18

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Solution

The fourth proportional to 5,410.46, 8,115.06 and 1,515.18 is: 2,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.46 : 8,115.06 = 1,515.18 : x
  2. Step 2: Convert to fraction form
    5,410.46/8,115.06 = 1,515.18/x
  3. Step 3: Cross multiply
    5,410.46x = 8,115.06 × 1,515.18
  4. Step 4: Simplify right side
    5,410.46x = 12,295,776.61
  5. Step 5: Solve for x
    x = 12,295,776.61/5,410.46
  6. Step 6: Final answer
    x = 2,272.59

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Double scale
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1.5x scale

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.