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Finding the Fourth Proportional to 6,270.98, 9,407.22 and 1,887.80

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Solution

The fourth proportional to 6,270.98, 9,407.22 and 1,887.80 is: 2,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.98 : 9,407.22 = 1,887.80 : x
  2. Step 2: Convert to fraction form
    6,270.98/9,407.22 = 1,887.80/x
  3. Step 3: Cross multiply
    6,270.98x = 9,407.22 × 1,887.80
  4. Step 4: Simplify right side
    6,270.98x = 17,758,949.92
  5. Step 5: Solve for x
    x = 17,758,949.92/6,270.98
  6. Step 6: Final answer
    x = 2,831.93

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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.