Home / 6,478.08-9,708.90-4,137.24

Finding the Fourth Proportional to 6,478.08, 9,708.90 and 4,137.24

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Solution

The fourth proportional to 6,478.08, 9,708.90 and 4,137.24 is: 6,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.08 : 9,708.90 = 4,137.24 : x
  2. Step 2: Convert to fraction form
    6,478.08/9,708.90 = 4,137.24/x
  3. Step 3: Cross multiply
    6,478.08x = 9,708.90 × 4,137.24
  4. Step 4: Simplify right side
    6,478.08x = 40,168,049.44
  5. Step 5: Solve for x
    x = 40,168,049.44/6,478.08
  6. Step 6: Final answer
    x = 6,200.61

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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.