Home / 8,313.28-11,487.35-6,320.37

Finding the Fourth Proportional to 8,313.28, 11,487.35 and 6,320.37

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Solution

The fourth proportional to 8,313.28, 11,487.35 and 6,320.37 is: 8,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.28 : 11,487.35 = 6,320.37 : x
  2. Step 2: Convert to fraction form
    8,313.28/11,487.35 = 6,320.37/x
  3. Step 3: Cross multiply
    8,313.28x = 11,487.35 × 6,320.37
  4. Step 4: Simplify right side
    8,313.28x = 72,604,270.72
  5. Step 5: Solve for x
    x = 72,604,270.72/8,313.28
  6. Step 6: Final answer
    x = 8,733.53

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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.