Home / 8,145.74-11,246.18-6,253.72

Finding the Fourth Proportional to 8,145.74, 11,246.18 and 6,253.72

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Solution

The fourth proportional to 8,145.74, 11,246.18 and 6,253.72 is: 8,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.74 : 11,246.18 = 6,253.72 : x
  2. Step 2: Convert to fraction form
    8,145.74/11,246.18 = 6,253.72/x
  3. Step 3: Cross multiply
    8,145.74x = 11,246.18 × 6,253.72
  4. Step 4: Simplify right side
    8,145.74x = 70,330,460.79
  5. Step 5: Solve for x
    x = 70,330,460.79/8,145.74
  6. Step 6: Final answer
    x = 8,634.02

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Half scale
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Double scale
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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.