Home / 4,756.28-7,134.78-1,293.48

Finding the Fourth Proportional to 4,756.28, 7,134.78 and 1,293.48

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Solution

The fourth proportional to 4,756.28, 7,134.78 and 1,293.48 is: 1,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.28 : 7,134.78 = 1,293.48 : x
  2. Step 2: Convert to fraction form
    4,756.28/7,134.78 = 1,293.48/x
  3. Step 3: Cross multiply
    4,756.28x = 7,134.78 × 1,293.48
  4. Step 4: Simplify right side
    4,756.28x = 9,228,695.23
  5. Step 5: Solve for x
    x = 9,228,695.23/4,756.28
  6. Step 6: Final answer
    x = 1,940.32

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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.