Home / 6,112.05-8,442.24-4,712.72

Finding the Fourth Proportional to 6,112.05, 8,442.24 and 4,712.72

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Solution

The fourth proportional to 6,112.05, 8,442.24 and 4,712.72 is: 6,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.05 : 8,442.24 = 4,712.72 : x
  2. Step 2: Convert to fraction form
    6,112.05/8,442.24 = 4,712.72/x
  3. Step 3: Cross multiply
    6,112.05x = 8,442.24 × 4,712.72
  4. Step 4: Simplify right side
    6,112.05x = 39,785,913.29
  5. Step 5: Solve for x
    x = 39,785,913.29/6,112.05
  6. Step 6: Final answer
    x = 6,509.42

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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.