Home / 7,128.44-9,837.35-4,298.77

Finding the Fourth Proportional to 7,128.44, 9,837.35 and 4,298.77

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Solution

The fourth proportional to 7,128.44, 9,837.35 and 4,298.77 is: 5,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128.44 : 9,837.35 = 4,298.77 : x
  2. Step 2: Convert to fraction form
    7,128.44/9,837.35 = 4,298.77/x
  3. Step 3: Cross multiply
    7,128.44x = 9,837.35 × 4,298.77
  4. Step 4: Simplify right side
    7,128.44x = 42,288,505.06
  5. Step 5: Solve for x
    x = 42,288,505.06/7,128.44
  6. Step 6: Final answer
    x = 5,932.36

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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.