Home / 4,881.16-7,320.66-1,958.68

Finding the Fourth Proportional to 4,881.16, 7,320.66 and 1,958.68

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Solution

The fourth proportional to 4,881.16, 7,320.66 and 1,958.68 is: 2,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.16 : 7,320.66 = 1,958.68 : x
  2. Step 2: Convert to fraction form
    4,881.16/7,320.66 = 1,958.68/x
  3. Step 3: Cross multiply
    4,881.16x = 7,320.66 × 1,958.68
  4. Step 4: Simplify right side
    4,881.16x = 14,338,830.33
  5. Step 5: Solve for x
    x = 14,338,830.33/4,881.16
  6. Step 6: Final answer
    x = 2,937.59

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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.