Home / 4,760.63-7,140.24-1,838.57

Finding the Fourth Proportional to 4,760.63, 7,140.24 and 1,838.57

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Solution

The fourth proportional to 4,760.63, 7,140.24 and 1,838.57 is: 2,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.63 : 7,140.24 = 1,838.57 : x
  2. Step 2: Convert to fraction form
    4,760.63/7,140.24 = 1,838.57/x
  3. Step 3: Cross multiply
    4,760.63x = 7,140.24 × 1,838.57
  4. Step 4: Simplify right side
    4,760.63x = 13,127,831.06
  5. Step 5: Solve for x
    x = 13,127,831.06/4,760.63
  6. Step 6: Final answer
    x = 2,757.58

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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.