Home / 6,760.53-10,133.61-3,988.50

Finding the Fourth Proportional to 6,760.53, 10,133.61 and 3,988.50

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Solution

The fourth proportional to 6,760.53, 10,133.61 and 3,988.50 is: 5,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.53 : 10,133.61 = 3,988.50 : x
  2. Step 2: Convert to fraction form
    6,760.53/10,133.61 = 3,988.50/x
  3. Step 3: Cross multiply
    6,760.53x = 10,133.61 × 3,988.50
  4. Step 4: Simplify right side
    6,760.53x = 40,417,903.49
  5. Step 5: Solve for x
    x = 40,417,903.49/6,760.53
  6. Step 6: Final answer
    x = 5,978.51

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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.