Home / 6,828.47-9,419.36-4,309.68

Finding the Fourth Proportional to 6,828.47, 9,419.36 and 4,309.68

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Solution

The fourth proportional to 6,828.47, 9,419.36 and 4,309.68 is: 5,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.47 : 9,419.36 = 4,309.68 : x
  2. Step 2: Convert to fraction form
    6,828.47/9,419.36 = 4,309.68/x
  3. Step 3: Cross multiply
    6,828.47x = 9,419.36 × 4,309.68
  4. Step 4: Simplify right side
    6,828.47x = 40,594,405.86
  5. Step 5: Solve for x
    x = 40,594,405.86/6,828.47
  6. Step 6: Final answer
    x = 5,944.88

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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.