Home / 8,247.07-11,379.72-4,709.53

Finding the Fourth Proportional to 8,247.07, 11,379.72 and 4,709.53

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Solution

The fourth proportional to 8,247.07, 11,379.72 and 4,709.53 is: 6,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.07 : 11,379.72 = 4,709.53 : x
  2. Step 2: Convert to fraction form
    8,247.07/11,379.72 = 4,709.53/x
  3. Step 3: Cross multiply
    8,247.07x = 11,379.72 × 4,709.53
  4. Step 4: Simplify right side
    8,247.07x = 53,593,132.73
  5. Step 5: Solve for x
    x = 53,593,132.73/8,247.07
  6. Step 6: Final answer
    x = 6,498.45

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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.