Home / 8,124.62-11,208.38-4,765.72

Finding the Fourth Proportional to 8,124.62, 11,208.38 and 4,765.72

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Solution

The fourth proportional to 8,124.62, 11,208.38 and 4,765.72 is: 6,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.62 : 11,208.38 = 4,765.72 : x
  2. Step 2: Convert to fraction form
    8,124.62/11,208.38 = 4,765.72/x
  3. Step 3: Cross multiply
    8,124.62x = 11,208.38 × 4,765.72
  4. Step 4: Simplify right side
    8,124.62x = 53,416,000.73
  5. Step 5: Solve for x
    x = 53,416,000.73/8,124.62
  6. Step 6: Final answer
    x = 6,574.58

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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.