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Finding the Fourth Proportional to 6,807.92, 10,210.06 and 1,876.40

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Solution

The fourth proportional to 6,807.92, 10,210.06 and 1,876.40 is: 2,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.92 : 10,210.06 = 1,876.40 : x
  2. Step 2: Convert to fraction form
    6,807.92/10,210.06 = 1,876.40/x
  3. Step 3: Cross multiply
    6,807.92x = 10,210.06 × 1,876.40
  4. Step 4: Simplify right side
    6,807.92x = 19,158,100.84
  5. Step 5: Solve for x
    x = 19,158,100.84/6,807.92
  6. Step 6: Final answer
    x = 2,814.09

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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.