Home / 8,320.08-11,481.73-4,543.28

Finding the Fourth Proportional to 8,320.08, 11,481.73 and 4,543.28

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Solution

The fourth proportional to 8,320.08, 11,481.73 and 4,543.28 is: 6,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.08 : 11,481.73 = 4,543.28 : x
  2. Step 2: Convert to fraction form
    8,320.08/11,481.73 = 4,543.28/x
  3. Step 3: Cross multiply
    8,320.08x = 11,481.73 × 4,543.28
  4. Step 4: Simplify right side
    8,320.08x = 52,164,696.93
  5. Step 5: Solve for x
    x = 52,164,696.93/8,320.08
  6. Step 6: Final answer
    x = 6,269.74

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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.