Home / 10,285.33-15,434.37-4,739.47

Finding the Fourth Proportional to 10,285.33, 15,434.37 and 4,739.47

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Solution

The fourth proportional to 10,285.33, 15,434.37 and 4,739.47 is: 7,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.33 : 15,434.37 = 4,739.47 : x
  2. Step 2: Convert to fraction form
    10,285.33/15,434.37 = 4,739.47/x
  3. Step 3: Cross multiply
    10,285.33x = 15,434.37 × 4,739.47
  4. Step 4: Simplify right side
    10,285.33x = 73,150,733.58
  5. Step 5: Solve for x
    x = 73,150,733.58/10,285.33
  6. Step 6: Final answer
    x = 7,112.14

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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.