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Finding the Fourth Proportional to 6,817.54, 10,225.17 and 1,887.68

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Solution

The fourth proportional to 6,817.54, 10,225.17 and 1,887.68 is: 2,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817.54 : 10,225.17 = 1,887.68 : x
  2. Step 2: Convert to fraction form
    6,817.54/10,225.17 = 1,887.68/x
  3. Step 3: Cross multiply
    6,817.54x = 10,225.17 × 1,887.68
  4. Step 4: Simplify right side
    6,817.54x = 19,301,841.43
  5. Step 5: Solve for x
    x = 19,301,841.43/6,817.54
  6. Step 6: Final answer
    x = 2,831.20

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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.