Home / 9,320.22-12,859.79-6,803.70

Finding the Fourth Proportional to 9,320.22, 12,859.79 and 6,803.70

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Solution

The fourth proportional to 9,320.22, 12,859.79 and 6,803.70 is: 9,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.22 : 12,859.79 = 6,803.70 : x
  2. Step 2: Convert to fraction form
    9,320.22/12,859.79 = 6,803.70/x
  3. Step 3: Cross multiply
    9,320.22x = 12,859.79 × 6,803.70
  4. Step 4: Simplify right side
    9,320.22x = 87,494,119.20
  5. Step 5: Solve for x
    x = 87,494,119.20/9,320.22
  6. Step 6: Final answer
    x = 9,387.56

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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.