Home / 6,509.72-9,760.24-2,125.64

Finding the Fourth Proportional to 6,509.72, 9,760.24 and 2,125.64

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Solution

The fourth proportional to 6,509.72, 9,760.24 and 2,125.64 is: 3,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.72 : 9,760.24 = 2,125.64 : x
  2. Step 2: Convert to fraction form
    6,509.72/9,760.24 = 2,125.64/x
  3. Step 3: Cross multiply
    6,509.72x = 9,760.24 × 2,125.64
  4. Step 4: Simplify right side
    6,509.72x = 20,746,756.55
  5. Step 5: Solve for x
    x = 20,746,756.55/6,509.72
  6. Step 6: Final answer
    x = 3,187.04

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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.