Home / 4,814.42-7,218.66-1,891.40

Finding the Fourth Proportional to 4,814.42, 7,218.66 and 1,891.40

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Solution

The fourth proportional to 4,814.42, 7,218.66 and 1,891.40 is: 2,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.42 : 7,218.66 = 1,891.40 : x
  2. Step 2: Convert to fraction form
    4,814.42/7,218.66 = 1,891.40/x
  3. Step 3: Cross multiply
    4,814.42x = 7,218.66 × 1,891.40
  4. Step 4: Simplify right side
    4,814.42x = 13,653,373.52
  5. Step 5: Solve for x
    x = 13,653,373.52/4,814.42
  6. Step 6: Final answer
    x = 2,835.93

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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.