Home / 8,310.36-11,465.76-4,725.05

Finding the Fourth Proportional to 8,310.36, 11,465.76 and 4,725.05

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Solution

The fourth proportional to 8,310.36, 11,465.76 and 4,725.05 is: 6,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.36 : 11,465.76 = 4,725.05 : x
  2. Step 2: Convert to fraction form
    8,310.36/11,465.76 = 4,725.05/x
  3. Step 3: Cross multiply
    8,310.36x = 11,465.76 × 4,725.05
  4. Step 4: Simplify right side
    8,310.36x = 54,176,231.96
  5. Step 5: Solve for x
    x = 54,176,231.96/8,310.36
  6. Step 6: Final answer
    x = 6,519.12

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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.