Home / 7,000.38-10,478.82-5,235

Finding the Fourth Proportional to 7,000.38, 10,478.82 and 5,235

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Solution

The fourth proportional to 7,000.38, 10,478.82 and 5,235 is: 7,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.38 : 10,478.82 = 5,235 : x
  2. Step 2: Convert to fraction form
    7,000.38/10,478.82 = 5,235/x
  3. Step 3: Cross multiply
    7,000.38x = 10,478.82 × 5,235
  4. Step 4: Simplify right side
    7,000.38x = 54,856,622.70
  5. Step 5: Solve for x
    x = 54,856,622.70/7,000.38
  6. Step 6: Final answer
    x = 7,836.23

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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.