Home / 6,509.64-9,761.20-2,126.60

Finding the Fourth Proportional to 6,509.64, 9,761.20 and 2,126.60

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Solution

The fourth proportional to 6,509.64, 9,761.20 and 2,126.60 is: 3,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.64 : 9,761.20 = 2,126.60 : x
  2. Step 2: Convert to fraction form
    6,509.64/9,761.20 = 2,126.60/x
  3. Step 3: Cross multiply
    6,509.64x = 9,761.20 × 2,126.60
  4. Step 4: Simplify right side
    6,509.64x = 20,758,167.92
  5. Step 5: Solve for x
    x = 20,758,167.92/6,509.64
  6. Step 6: Final answer
    x = 3,188.84

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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.