Home / 8,144.63-11,239.58-4,607.76

Finding the Fourth Proportional to 8,144.63, 11,239.58 and 4,607.76

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Solution

The fourth proportional to 8,144.63, 11,239.58 and 4,607.76 is: 6,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.63 : 11,239.58 = 4,607.76 : x
  2. Step 2: Convert to fraction form
    8,144.63/11,239.58 = 4,607.76/x
  3. Step 3: Cross multiply
    8,144.63x = 11,239.58 × 4,607.76
  4. Step 4: Simplify right side
    8,144.63x = 51,789,298.66
  5. Step 5: Solve for x
    x = 51,789,298.66/8,144.63
  6. Step 6: Final answer
    x = 6,358.71

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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.