Home / 8,485.73-12,726.56-2,561.39

Finding the Fourth Proportional to 8,485.73, 12,726.56 and 2,561.39

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Solution

The fourth proportional to 8,485.73, 12,726.56 and 2,561.39 is: 3,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.73 : 12,726.56 = 2,561.39 : x
  2. Step 2: Convert to fraction form
    8,485.73/12,726.56 = 2,561.39/x
  3. Step 3: Cross multiply
    8,485.73x = 12,726.56 × 2,561.39
  4. Step 4: Simplify right side
    8,485.73x = 32,597,607.08
  5. Step 5: Solve for x
    x = 32,597,607.08/8,485.73
  6. Step 6: Final answer
    x = 3,841.46

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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.