Home / 9,320.46-12,860.13-6,803.94

Finding the Fourth Proportional to 9,320.46, 12,860.13 and 6,803.94

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Solution

The fourth proportional to 9,320.46, 12,860.13 and 6,803.94 is: 9,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.46 : 12,860.13 = 6,803.94 : x
  2. Step 2: Convert to fraction form
    9,320.46/12,860.13 = 6,803.94/x
  3. Step 3: Cross multiply
    9,320.46x = 12,860.13 × 6,803.94
  4. Step 4: Simplify right side
    9,320.46x = 87,499,552.91
  5. Step 5: Solve for x
    x = 87,499,552.91/9,320.46
  6. Step 6: Final answer
    x = 9,387.90

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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.