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Finding the Fourth Proportional to 4,243.46, 6,365.07 and 1,123.47

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Solution

The fourth proportional to 4,243.46, 6,365.07 and 1,123.47 is: 1,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.46 : 6,365.07 = 1,123.47 : x
  2. Step 2: Convert to fraction form
    4,243.46/6,365.07 = 1,123.47/x
  3. Step 3: Cross multiply
    4,243.46x = 6,365.07 × 1,123.47
  4. Step 4: Simplify right side
    4,243.46x = 7,150,965.19
  5. Step 5: Solve for x
    x = 7,150,965.19/4,243.46
  6. Step 6: Final answer
    x = 1,685.18

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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.