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Finding the Fourth Proportional to 6,810.46, 10,236.08 and 5,648.11

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Solution

The fourth proportional to 6,810.46, 10,236.08 and 5,648.11 is: 8,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.46 : 10,236.08 = 5,648.11 : x
  2. Step 2: Convert to fraction form
    6,810.46/10,236.08 = 5,648.11/x
  3. Step 3: Cross multiply
    6,810.46x = 10,236.08 × 5,648.11
  4. Step 4: Simplify right side
    6,810.46x = 57,814,477.57
  5. Step 5: Solve for x
    x = 57,814,477.57/6,810.46
  6. Step 6: Final answer
    x = 8,489.07

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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.