Home / 6,989.68-10,469.94-4,353.40

Finding the Fourth Proportional to 6,989.68, 10,469.94 and 4,353.40

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Solution

The fourth proportional to 6,989.68, 10,469.94 and 4,353.40 is: 6,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.68 : 10,469.94 = 4,353.40 : x
  2. Step 2: Convert to fraction form
    6,989.68/10,469.94 = 4,353.40/x
  3. Step 3: Cross multiply
    6,989.68x = 10,469.94 × 4,353.40
  4. Step 4: Simplify right side
    6,989.68x = 45,579,836.80
  5. Step 5: Solve for x
    x = 45,579,836.80/6,989.68
  6. Step 6: Final answer
    x = 6,521.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.