Home / 7,979.19-11,011.10-4,442.33

Finding the Fourth Proportional to 7,979.19, 11,011.10 and 4,442.33

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Solution

The fourth proportional to 7,979.19, 11,011.10 and 4,442.33 is: 6,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.19 : 11,011.10 = 4,442.33 : x
  2. Step 2: Convert to fraction form
    7,979.19/11,011.10 = 4,442.33/x
  3. Step 3: Cross multiply
    7,979.19x = 11,011.10 × 4,442.33
  4. Step 4: Simplify right side
    7,979.19x = 48,914,862.60
  5. Step 5: Solve for x
    x = 48,914,862.60/7,979.19
  6. Step 6: Final answer
    x = 6,130.30

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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.