Home / 5,646.30-7,790.01-3,287.94

Finding the Fourth Proportional to 5,646.30, 7,790.01 and 3,287.94

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Solution

The fourth proportional to 5,646.30, 7,790.01 and 3,287.94 is: 4,536.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.30 : 7,790.01 = 3,287.94 : x
  2. Step 2: Convert to fraction form
    5,646.30/7,790.01 = 3,287.94/x
  3. Step 3: Cross multiply
    5,646.30x = 7,790.01 × 3,287.94
  4. Step 4: Simplify right side
    5,646.30x = 25,613,085.48
  5. Step 5: Solve for x
    x = 25,613,085.48/5,646.30
  6. Step 6: Final answer
    x = 4,536.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.