Home / 8,631.55-11,911.08-5,093.47

Finding the Fourth Proportional to 8,631.55, 11,911.08 and 5,093.47

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Solution

The fourth proportional to 8,631.55, 11,911.08 and 5,093.47 is: 7,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.55 : 11,911.08 = 5,093.47 : x
  2. Step 2: Convert to fraction form
    8,631.55/11,911.08 = 5,093.47/x
  3. Step 3: Cross multiply
    8,631.55x = 11,911.08 × 5,093.47
  4. Step 4: Simplify right side
    8,631.55x = 60,668,728.65
  5. Step 5: Solve for x
    x = 60,668,728.65/8,631.55
  6. Step 6: Final answer
    x = 7,028.72

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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.