Home / 4,881.38-7,323.27-1,418.63

Finding the Fourth Proportional to 4,881.38, 7,323.27 and 1,418.63

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Solution

The fourth proportional to 4,881.38, 7,323.27 and 1,418.63 is: 2,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.38 : 7,323.27 = 1,418.63 : x
  2. Step 2: Convert to fraction form
    4,881.38/7,323.27 = 1,418.63/x
  3. Step 3: Cross multiply
    4,881.38x = 7,323.27 × 1,418.63
  4. Step 4: Simplify right side
    4,881.38x = 10,389,010.52
  5. Step 5: Solve for x
    x = 10,389,010.52/4,881.38
  6. Step 6: Final answer
    x = 2,128.29

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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.