Home / 4,243.52-6,364.55-1,123.56

Finding the Fourth Proportional to 4,243.52, 6,364.55 and 1,123.56

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Solution

The fourth proportional to 4,243.52, 6,364.55 and 1,123.56 is: 1,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.52 : 6,364.55 = 1,123.56 : x
  2. Step 2: Convert to fraction form
    4,243.52/6,364.55 = 1,123.56/x
  3. Step 3: Cross multiply
    4,243.52x = 6,364.55 × 1,123.56
  4. Step 4: Simplify right side
    4,243.52x = 7,150,953.80
  5. Step 5: Solve for x
    x = 7,150,953.80/4,243.52
  6. Step 6: Final answer
    x = 1,685.15

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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.