Home / 10,287.78-15,419.25-4,733.52

Finding the Fourth Proportional to 10,287.78, 15,419.25 and 4,733.52

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Solution

The fourth proportional to 10,287.78, 15,419.25 and 4,733.52 is: 7,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.78 : 15,419.25 = 4,733.52 : x
  2. Step 2: Convert to fraction form
    10,287.78/15,419.25 = 4,733.52/x
  3. Step 3: Cross multiply
    10,287.78x = 15,419.25 × 4,733.52
  4. Step 4: Simplify right side
    10,287.78x = 72,987,328.26
  5. Step 5: Solve for x
    x = 72,987,328.26/10,287.78
  6. Step 6: Final answer
    x = 7,094.57

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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.