Home / 6,721.16-9,272.21-4,362.84

Finding the Fourth Proportional to 6,721.16, 9,272.21 and 4,362.84

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Solution

The fourth proportional to 6,721.16, 9,272.21 and 4,362.84 is: 6,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.16 : 9,272.21 = 4,362.84 : x
  2. Step 2: Convert to fraction form
    6,721.16/9,272.21 = 4,362.84/x
  3. Step 3: Cross multiply
    6,721.16x = 9,272.21 × 4,362.84
  4. Step 4: Simplify right side
    6,721.16x = 40,453,146.86
  5. Step 5: Solve for x
    x = 40,453,146.86/6,721.16
  6. Step 6: Final answer
    x = 6,018.78

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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.