Home / 8,313.15-11,472.35-4,728.69

Finding the Fourth Proportional to 8,313.15, 11,472.35 and 4,728.69

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Solution

The fourth proportional to 8,313.15, 11,472.35 and 4,728.69 is: 6,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.15 : 11,472.35 = 4,728.69 : x
  2. Step 2: Convert to fraction form
    8,313.15/11,472.35 = 4,728.69/x
  3. Step 3: Cross multiply
    8,313.15x = 11,472.35 × 4,728.69
  4. Step 4: Simplify right side
    8,313.15x = 54,249,163.08
  5. Step 5: Solve for x
    x = 54,249,163.08/8,313.15
  6. Step 6: Final answer
    x = 6,525.70

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Half scale
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Double scale
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Similar ratio
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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.