Home / 7,979.13-11,011.97-4,442.34

Finding the Fourth Proportional to 7,979.13, 11,011.97 and 4,442.34

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Solution

The fourth proportional to 7,979.13, 11,011.97 and 4,442.34 is: 6,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.13 : 11,011.97 = 4,442.34 : x
  2. Step 2: Convert to fraction form
    7,979.13/11,011.97 = 4,442.34/x
  3. Step 3: Cross multiply
    7,979.13x = 11,011.97 × 4,442.34
  4. Step 4: Simplify right side
    7,979.13x = 48,918,965.65
  5. Step 5: Solve for x
    x = 48,918,965.65/7,979.13
  6. Step 6: Final answer
    x = 6,130.86

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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.