Home / 8,276.66-11,421.75-4,499.81

Finding the Fourth Proportional to 8,276.66, 11,421.75 and 4,499.81

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Solution

The fourth proportional to 8,276.66, 11,421.75 and 4,499.81 is: 6,209.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.66 : 11,421.75 = 4,499.81 : x
  2. Step 2: Convert to fraction form
    8,276.66/11,421.75 = 4,499.81/x
  3. Step 3: Cross multiply
    8,276.66x = 11,421.75 × 4,499.81
  4. Step 4: Simplify right side
    8,276.66x = 51,395,704.87
  5. Step 5: Solve for x
    x = 51,395,704.87/8,276.66
  6. Step 6: Final answer
    x = 6,209.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.