Home / 6,262.07-8,640.86-4,989.17

Finding the Fourth Proportional to 6,262.07, 8,640.86 and 4,989.17

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Solution

The fourth proportional to 6,262.07, 8,640.86 and 4,989.17 is: 6,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.07 : 8,640.86 = 4,989.17 : x
  2. Step 2: Convert to fraction form
    6,262.07/8,640.86 = 4,989.17/x
  3. Step 3: Cross multiply
    6,262.07x = 8,640.86 × 4,989.17
  4. Step 4: Simplify right side
    6,262.07x = 43,110,728.62
  5. Step 5: Solve for x
    x = 43,110,728.62/6,262.07
  6. Step 6: Final answer
    x = 6,884.43

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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.