Home / 9,115.53-13,665.08-3,270.77

Finding the Fourth Proportional to 9,115.53, 13,665.08 and 3,270.77

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Solution

The fourth proportional to 9,115.53, 13,665.08 and 3,270.77 is: 4,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.53 : 13,665.08 = 3,270.77 : x
  2. Step 2: Convert to fraction form
    9,115.53/13,665.08 = 3,270.77/x
  3. Step 3: Cross multiply
    9,115.53x = 13,665.08 × 3,270.77
  4. Step 4: Simplify right side
    9,115.53x = 44,695,249.03
  5. Step 5: Solve for x
    x = 44,695,249.03/9,115.53
  6. Step 6: Final answer
    x = 4,903.20

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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.