Home / 6,670.38-10,002.72-2,288.28

Finding the Fourth Proportional to 6,670.38, 10,002.72 and 2,288.28

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Solution

The fourth proportional to 6,670.38, 10,002.72 and 2,288.28 is: 3,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.38 : 10,002.72 = 2,288.28 : x
  2. Step 2: Convert to fraction form
    6,670.38/10,002.72 = 2,288.28/x
  3. Step 3: Cross multiply
    6,670.38x = 10,002.72 × 2,288.28
  4. Step 4: Simplify right side
    6,670.38x = 22,889,024.12
  5. Step 5: Solve for x
    x = 22,889,024.12/6,670.38
  6. Step 6: Final answer
    x = 3,431.44

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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.