Home / 6,979.24-10,442.71-4,157.77

Finding the Fourth Proportional to 6,979.24, 10,442.71 and 4,157.77

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Solution

The fourth proportional to 6,979.24, 10,442.71 and 4,157.77 is: 6,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.24 : 10,442.71 = 4,157.77 : x
  2. Step 2: Convert to fraction form
    6,979.24/10,442.71 = 4,157.77/x
  3. Step 3: Cross multiply
    6,979.24x = 10,442.71 × 4,157.77
  4. Step 4: Simplify right side
    6,979.24x = 43,418,386.36
  5. Step 5: Solve for x
    x = 43,418,386.36/6,979.24
  6. Step 6: Final answer
    x = 6,221.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.