Home / 7,621.48-10,519.14-4,825

Finding the Fourth Proportional to 7,621.48, 10,519.14 and 4,825

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Solution

The fourth proportional to 7,621.48, 10,519.14 and 4,825 is: 6,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.48 : 10,519.14 = 4,825 : x
  2. Step 2: Convert to fraction form
    7,621.48/10,519.14 = 4,825/x
  3. Step 3: Cross multiply
    7,621.48x = 10,519.14 × 4,825
  4. Step 4: Simplify right side
    7,621.48x = 50,754,850.50
  5. Step 5: Solve for x
    x = 50,754,850.50/7,621.48
  6. Step 6: Final answer
    x = 6,659.45

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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.