Home / 5,286.24-7,907.46-4,805.10

Finding the Fourth Proportional to 5,286.24, 7,907.46 and 4,805.10

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Solution

The fourth proportional to 5,286.24, 7,907.46 and 4,805.10 is: 7,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.24 : 7,907.46 = 4,805.10 : x
  2. Step 2: Convert to fraction form
    5,286.24/7,907.46 = 4,805.10/x
  3. Step 3: Cross multiply
    5,286.24x = 7,907.46 × 4,805.10
  4. Step 4: Simplify right side
    5,286.24x = 37,996,136.05
  5. Step 5: Solve for x
    x = 37,996,136.05/5,286.24
  6. Step 6: Final answer
    x = 7,187.74

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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.