Home / 6,345.30-9,517.26-1,665.77

Finding the Fourth Proportional to 6,345.30, 9,517.26 and 1,665.77

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Solution

The fourth proportional to 6,345.30, 9,517.26 and 1,665.77 is: 2,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.30 : 9,517.26 = 1,665.77 : x
  2. Step 2: Convert to fraction form
    6,345.30/9,517.26 = 1,665.77/x
  3. Step 3: Cross multiply
    6,345.30x = 9,517.26 × 1,665.77
  4. Step 4: Simplify right side
    6,345.30x = 15,853,591.10
  5. Step 5: Solve for x
    x = 15,853,591.10/6,345.30
  6. Step 6: Final answer
    x = 2,498.48

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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.