Home / 6,759.28-10,121.60-4,676.40

Finding the Fourth Proportional to 6,759.28, 10,121.60 and 4,676.40

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Solution

The fourth proportional to 6,759.28, 10,121.60 and 4,676.40 is: 7,002.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.28 : 10,121.60 = 4,676.40 : x
  2. Step 2: Convert to fraction form
    6,759.28/10,121.60 = 4,676.40/x
  3. Step 3: Cross multiply
    6,759.28x = 10,121.60 × 4,676.40
  4. Step 4: Simplify right side
    6,759.28x = 47,332,650.24
  5. Step 5: Solve for x
    x = 47,332,650.24/6,759.28
  6. Step 6: Final answer
    x = 7,002.62

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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.