Home / 7,982.06-11,017.66-4,625.70

Finding the Fourth Proportional to 7,982.06, 11,017.66 and 4,625.70

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Solution

The fourth proportional to 7,982.06, 11,017.66 and 4,625.70 is: 6,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.06 : 11,017.66 = 4,625.70 : x
  2. Step 2: Convert to fraction form
    7,982.06/11,017.66 = 4,625.70/x
  3. Step 3: Cross multiply
    7,982.06x = 11,017.66 × 4,625.70
  4. Step 4: Simplify right side
    7,982.06x = 50,964,389.86
  5. Step 5: Solve for x
    x = 50,964,389.86/7,982.06
  6. Step 6: Final answer
    x = 6,384.87

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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.