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Finding the Fourth Proportional to 5,697.63, 7,863.03 and 3,340.53

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Solution

The fourth proportional to 5,697.63, 7,863.03 and 3,340.53 is: 4,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.63 : 7,863.03 = 3,340.53 : x
  2. Step 2: Convert to fraction form
    5,697.63/7,863.03 = 3,340.53/x
  3. Step 3: Cross multiply
    5,697.63x = 7,863.03 × 3,340.53
  4. Step 4: Simplify right side
    5,697.63x = 26,266,648.29
  5. Step 5: Solve for x
    x = 26,266,648.29/5,697.63
  6. Step 6: Final answer
    x = 4,610.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.