Home / 10,551.47-15,825.38-3,530.79

Finding the Fourth Proportional to 10,551.47, 15,825.38 and 3,530.79

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Solution

The fourth proportional to 10,551.47, 15,825.38 and 3,530.79 is: 5,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.47 : 15,825.38 = 3,530.79 : x
  2. Step 2: Convert to fraction form
    10,551.47/15,825.38 = 3,530.79/x
  3. Step 3: Cross multiply
    10,551.47x = 15,825.38 × 3,530.79
  4. Step 4: Simplify right side
    10,551.47x = 55,876,075.80
  5. Step 5: Solve for x
    x = 55,876,075.80/10,551.47
  6. Step 6: Final answer
    x = 5,295.58

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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.