Home / 5,410.67-8,115.98-1,515.06

Finding the Fourth Proportional to 5,410.67, 8,115.98 and 1,515.06

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Solution

The fourth proportional to 5,410.67, 8,115.98 and 1,515.06 is: 2,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.67 : 8,115.98 = 1,515.06 : x
  2. Step 2: Convert to fraction form
    5,410.67/8,115.98 = 1,515.06/x
  3. Step 3: Cross multiply
    5,410.67x = 8,115.98 × 1,515.06
  4. Step 4: Simplify right side
    5,410.67x = 12,296,189.08
  5. Step 5: Solve for x
    x = 12,296,189.08/5,410.67
  6. Step 6: Final answer
    x = 2,272.58

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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.