Home / 7,979.41-11,011.38-4,442.54

Finding the Fourth Proportional to 7,979.41, 11,011.38 and 4,442.54

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Solution

The fourth proportional to 7,979.41, 11,011.38 and 4,442.54 is: 6,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.41 : 11,011.38 = 4,442.54 : x
  2. Step 2: Convert to fraction form
    7,979.41/11,011.38 = 4,442.54/x
  3. Step 3: Cross multiply
    7,979.41x = 11,011.38 × 4,442.54
  4. Step 4: Simplify right side
    7,979.41x = 48,918,496.11
  5. Step 5: Solve for x
    x = 48,918,496.11/7,979.41
  6. Step 6: Final answer
    x = 6,130.59

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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.