Home / 7,979.85-11,014.85-4,626.05

Finding the Fourth Proportional to 7,979.85, 11,014.85 and 4,626.05

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Solution

The fourth proportional to 7,979.85, 11,014.85 and 4,626.05 is: 6,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.85 : 11,014.85 = 4,626.05 : x
  2. Step 2: Convert to fraction form
    7,979.85/11,014.85 = 4,626.05/x
  3. Step 3: Cross multiply
    7,979.85x = 11,014.85 × 4,626.05
  4. Step 4: Simplify right side
    7,979.85x = 50,955,203.33
  5. Step 5: Solve for x
    x = 50,955,203.33/7,979.85
  6. Step 6: Final answer
    x = 6,385.48

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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.