Home / 7,477.66-11,216.46-6,515.38

Finding the Fourth Proportional to 7,477.66, 11,216.46 and 6,515.38

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Solution

The fourth proportional to 7,477.66, 11,216.46 and 6,515.38 is: 9,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.66 : 11,216.46 = 6,515.38 : x
  2. Step 2: Convert to fraction form
    7,477.66/11,216.46 = 6,515.38/x
  3. Step 3: Cross multiply
    7,477.66x = 11,216.46 × 6,515.38
  4. Step 4: Simplify right side
    7,477.66x = 73,079,499.15
  5. Step 5: Solve for x
    x = 73,079,499.15/7,477.66
  6. Step 6: Final answer
    x = 9,773.04

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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.