Home / 6,412.36-8,851.28-3,760.68

Finding the Fourth Proportional to 6,412.36, 8,851.28 and 3,760.68

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Solution

The fourth proportional to 6,412.36, 8,851.28 and 3,760.68 is: 5,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.36 : 8,851.28 = 3,760.68 : x
  2. Step 2: Convert to fraction form
    6,412.36/8,851.28 = 3,760.68/x
  3. Step 3: Cross multiply
    6,412.36x = 8,851.28 × 3,760.68
  4. Step 4: Simplify right side
    6,412.36x = 33,286,831.67
  5. Step 5: Solve for x
    x = 33,286,831.67/6,412.36
  6. Step 6: Final answer
    x = 5,191.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.