Home / 6,513.48-9,760.50-2,615.76

Finding the Fourth Proportional to 6,513.48, 9,760.50 and 2,615.76

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Solution

The fourth proportional to 6,513.48, 9,760.50 and 2,615.76 is: 3,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.48 : 9,760.50 = 2,615.76 : x
  2. Step 2: Convert to fraction form
    6,513.48/9,760.50 = 2,615.76/x
  3. Step 3: Cross multiply
    6,513.48x = 9,760.50 × 2,615.76
  4. Step 4: Simplify right side
    6,513.48x = 25,531,125.48
  5. Step 5: Solve for x
    x = 25,531,125.48/6,513.48
  6. Step 6: Final answer
    x = 3,919.74

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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.