Home / 8,557.27-12,840.71-4,661.95

Finding the Fourth Proportional to 8,557.27, 12,840.71 and 4,661.95

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Solution

The fourth proportional to 8,557.27, 12,840.71 and 4,661.95 is: 6,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.27 : 12,840.71 = 4,661.95 : x
  2. Step 2: Convert to fraction form
    8,557.27/12,840.71 = 4,661.95/x
  3. Step 3: Cross multiply
    8,557.27x = 12,840.71 × 4,661.95
  4. Step 4: Simplify right side
    8,557.27x = 59,862,724.67
  5. Step 5: Solve for x
    x = 59,862,724.67/8,557.27
  6. Step 6: Final answer
    x = 6,995.54

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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.