Home / 9,305.93-12,842.84-5,272.73

Finding the Fourth Proportional to 9,305.93, 12,842.84 and 5,272.73

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Solution

The fourth proportional to 9,305.93, 12,842.84 and 5,272.73 is: 7,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.93 : 12,842.84 = 5,272.73 : x
  2. Step 2: Convert to fraction form
    9,305.93/12,842.84 = 5,272.73/x
  3. Step 3: Cross multiply
    9,305.93x = 12,842.84 × 5,272.73
  4. Step 4: Simplify right side
    9,305.93x = 67,716,737.18
  5. Step 5: Solve for x
    x = 67,716,737.18/9,305.93
  6. Step 6: Final answer
    x = 7,276.73

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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.