Home / 7,128.26-9,837.37-4,296.53

Finding the Fourth Proportional to 7,128.26, 9,837.37 and 4,296.53

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Solution

The fourth proportional to 7,128.26, 9,837.37 and 4,296.53 is: 5,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128.26 : 9,837.37 = 4,296.53 : x
  2. Step 2: Convert to fraction form
    7,128.26/9,837.37 = 4,296.53/x
  3. Step 3: Cross multiply
    7,128.26x = 9,837.37 × 4,296.53
  4. Step 4: Simplify right side
    7,128.26x = 42,266,585.29
  5. Step 5: Solve for x
    x = 42,266,585.29/7,128.26
  6. Step 6: Final answer
    x = 5,929.44

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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.