Home / 4,881.52-7,323.51-1,418.77

Finding the Fourth Proportional to 4,881.52, 7,323.51 and 1,418.77

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Solution

The fourth proportional to 4,881.52, 7,323.51 and 1,418.77 is: 2,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.52 : 7,323.51 = 1,418.77 : x
  2. Step 2: Convert to fraction form
    4,881.52/7,323.51 = 1,418.77/x
  3. Step 3: Cross multiply
    4,881.52x = 7,323.51 × 1,418.77
  4. Step 4: Simplify right side
    4,881.52x = 10,390,349.56
  5. Step 5: Solve for x
    x = 10,390,349.56/4,881.52
  6. Step 6: Final answer
    x = 2,128.51

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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.