Home / 6,760.48-10,133.54-3,988.46

Finding the Fourth Proportional to 6,760.48, 10,133.54 and 3,988.46

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Solution

The fourth proportional to 6,760.48, 10,133.54 and 3,988.46 is: 5,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.48 : 10,133.54 = 3,988.46 : x
  2. Step 2: Convert to fraction form
    6,760.48/10,133.54 = 3,988.46/x
  3. Step 3: Cross multiply
    6,760.48x = 10,133.54 × 3,988.46
  4. Step 4: Simplify right side
    6,760.48x = 40,417,182.30
  5. Step 5: Solve for x
    x = 40,417,182.30/6,760.48
  6. Step 6: Final answer
    x = 5,978.45

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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.