Home / 8,360.60-11,525.40-6,367.68

Finding the Fourth Proportional to 8,360.60, 11,525.40 and 6,367.68

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Solution

The fourth proportional to 8,360.60, 11,525.40 and 6,367.68 is: 8,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.60 : 11,525.40 = 6,367.68 : x
  2. Step 2: Convert to fraction form
    8,360.60/11,525.40 = 6,367.68/x
  3. Step 3: Cross multiply
    8,360.60x = 11,525.40 × 6,367.68
  4. Step 4: Simplify right side
    8,360.60x = 73,390,059.07
  5. Step 5: Solve for x
    x = 73,390,059.07/8,360.60
  6. Step 6: Final answer
    x = 8,778.09

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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.