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Finding the Fourth Proportional to 6,847.74, 10,270.60 and 1,917.07

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Solution

The fourth proportional to 6,847.74, 10,270.60 and 1,917.07 is: 2,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.74 : 10,270.60 = 1,917.07 : x
  2. Step 2: Convert to fraction form
    6,847.74/10,270.60 = 1,917.07/x
  3. Step 3: Cross multiply
    6,847.74x = 10,270.60 × 1,917.07
  4. Step 4: Simplify right side
    6,847.74x = 19,689,428.67
  5. Step 5: Solve for x
    x = 19,689,428.67/6,847.74
  6. Step 6: Final answer
    x = 2,875.32

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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.