Home / 8,406.52-12,610.92-2,858.38

Finding the Fourth Proportional to 8,406.52, 12,610.92 and 2,858.38

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Solution

The fourth proportional to 8,406.52, 12,610.92 and 2,858.38 is: 4,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.52 : 12,610.92 = 2,858.38 : x
  2. Step 2: Convert to fraction form
    8,406.52/12,610.92 = 2,858.38/x
  3. Step 3: Cross multiply
    8,406.52x = 12,610.92 × 2,858.38
  4. Step 4: Simplify right side
    8,406.52x = 36,046,801.51
  5. Step 5: Solve for x
    x = 36,046,801.51/8,406.52
  6. Step 6: Final answer
    x = 4,287.96

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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.