Home / 4,890.28-7,336.62-1,427.56

Finding the Fourth Proportional to 4,890.28, 7,336.62 and 1,427.56

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Solution

The fourth proportional to 4,890.28, 7,336.62 and 1,427.56 is: 2,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.28 : 7,336.62 = 1,427.56 : x
  2. Step 2: Convert to fraction form
    4,890.28/7,336.62 = 1,427.56/x
  3. Step 3: Cross multiply
    4,890.28x = 7,336.62 × 1,427.56
  4. Step 4: Simplify right side
    4,890.28x = 10,473,465.25
  5. Step 5: Solve for x
    x = 10,473,465.25/4,890.28
  6. Step 6: Final answer
    x = 2,141.69

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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.