Home / 8,800.65-12,143.75-5,262.57

Finding the Fourth Proportional to 8,800.65, 12,143.75 and 5,262.57

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Solution

The fourth proportional to 8,800.65, 12,143.75 and 5,262.57 is: 7,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.65 : 12,143.75 = 5,262.57 : x
  2. Step 2: Convert to fraction form
    8,800.65/12,143.75 = 5,262.57/x
  3. Step 3: Cross multiply
    8,800.65x = 12,143.75 × 5,262.57
  4. Step 4: Simplify right side
    8,800.65x = 63,907,308.12
  5. Step 5: Solve for x
    x = 63,907,308.12/8,800.65
  6. Step 6: Final answer
    x = 7,261.66

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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.