Home / 8,555.73-12,814.91-5,258.82

Finding the Fourth Proportional to 8,555.73, 12,814.91 and 5,258.82

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Solution

The fourth proportional to 8,555.73, 12,814.91 and 5,258.82 is: 7,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.73 : 12,814.91 = 5,258.82 : x
  2. Step 2: Convert to fraction form
    8,555.73/12,814.91 = 5,258.82/x
  3. Step 3: Cross multiply
    8,555.73x = 12,814.91 × 5,258.82
  4. Step 4: Simplify right side
    8,555.73x = 67,391,346.49
  5. Step 5: Solve for x
    x = 67,391,346.49/8,555.73
  6. Step 6: Final answer
    x = 7,876.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.