Home / 6,345.92-9,519.42-1,665.90

Finding the Fourth Proportional to 6,345.92, 9,519.42 and 1,665.90

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Solution

The fourth proportional to 6,345.92, 9,519.42 and 1,665.90 is: 2,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.92 : 9,519.42 = 1,665.90 : x
  2. Step 2: Convert to fraction form
    6,345.92/9,519.42 = 1,665.90/x
  3. Step 3: Cross multiply
    6,345.92x = 9,519.42 × 1,665.90
  4. Step 4: Simplify right side
    6,345.92x = 15,858,401.78
  5. Step 5: Solve for x
    x = 15,858,401.78/6,345.92
  6. Step 6: Final answer
    x = 2,498.99

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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.