Home / 8,453.08-11,658.72-6,458.68

Finding the Fourth Proportional to 8,453.08, 11,658.72 and 6,458.68

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Solution

The fourth proportional to 8,453.08, 11,658.72 and 6,458.68 is: 8,907.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.08 : 11,658.72 = 6,458.68 : x
  2. Step 2: Convert to fraction form
    8,453.08/11,658.72 = 6,458.68/x
  3. Step 3: Cross multiply
    8,453.08x = 11,658.72 × 6,458.68
  4. Step 4: Simplify right side
    8,453.08x = 75,299,941.69
  5. Step 5: Solve for x
    x = 75,299,941.69/8,453.08
  6. Step 6: Final answer
    x = 8,907.99

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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.