Home / 8,888.22-12,270.57-5,533.92

Finding the Fourth Proportional to 8,888.22, 12,270.57 and 5,533.92

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Solution

The fourth proportional to 8,888.22, 12,270.57 and 5,533.92 is: 7,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.22 : 12,270.57 = 5,533.92 : x
  2. Step 2: Convert to fraction form
    8,888.22/12,270.57 = 5,533.92/x
  3. Step 3: Cross multiply
    8,888.22x = 12,270.57 × 5,533.92
  4. Step 4: Simplify right side
    8,888.22x = 67,904,352.73
  5. Step 5: Solve for x
    x = 67,904,352.73/8,888.22
  6. Step 6: Final answer
    x = 7,639.81

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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.