Home / 7,621.38-10,519.26-4,964.16

Finding the Fourth Proportional to 7,621.38, 10,519.26 and 4,964.16

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Solution

The fourth proportional to 7,621.38, 10,519.26 and 4,964.16 is: 6,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.38 : 10,519.26 = 4,964.16 : x
  2. Step 2: Convert to fraction form
    7,621.38/10,519.26 = 4,964.16/x
  3. Step 3: Cross multiply
    7,621.38x = 10,519.26 × 4,964.16
  4. Step 4: Simplify right side
    7,621.38x = 52,219,289.72
  5. Step 5: Solve for x
    x = 52,219,289.72/7,621.38
  6. Step 6: Final answer
    x = 6,851.68

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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.