Home / 8,886.73-12,263.62-4,907.81

Finding the Fourth Proportional to 8,886.73, 12,263.62 and 4,907.81

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Solution

The fourth proportional to 8,886.73, 12,263.62 and 4,907.81 is: 6,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.73 : 12,263.62 = 4,907.81 : x
  2. Step 2: Convert to fraction form
    8,886.73/12,263.62 = 4,907.81/x
  3. Step 3: Cross multiply
    8,886.73x = 12,263.62 × 4,907.81
  4. Step 4: Simplify right side
    8,886.73x = 60,187,516.87
  5. Step 5: Solve for x
    x = 60,187,516.87/8,886.73
  6. Step 6: Final answer
    x = 6,772.74

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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.