Home / 8,353.28-11,515.31-6,360.37

Finding the Fourth Proportional to 8,353.28, 11,515.31 and 6,360.37

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Solution

The fourth proportional to 8,353.28, 11,515.31 and 6,360.37 is: 8,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.28 : 11,515.31 = 6,360.37 : x
  2. Step 2: Convert to fraction form
    8,353.28/11,515.31 = 6,360.37/x
  3. Step 3: Cross multiply
    8,353.28x = 11,515.31 × 6,360.37
  4. Step 4: Simplify right side
    8,353.28x = 73,241,696.08
  5. Step 5: Solve for x
    x = 73,241,696.08/8,353.28
  6. Step 6: Final answer
    x = 8,768.02

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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.