Home / 8,309.34-11,472.48-6,330.06

Finding the Fourth Proportional to 8,309.34, 11,472.48 and 6,330.06

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Solution

The fourth proportional to 8,309.34, 11,472.48 and 6,330.06 is: 8,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.34 : 11,472.48 = 6,330.06 : x
  2. Step 2: Convert to fraction form
    8,309.34/11,472.48 = 6,330.06/x
  3. Step 3: Cross multiply
    8,309.34x = 11,472.48 × 6,330.06
  4. Step 4: Simplify right side
    8,309.34x = 72,621,486.75
  5. Step 5: Solve for x
    x = 72,621,486.75/8,309.34
  6. Step 6: Final answer
    x = 8,739.74

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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.