Home / 10,480.37-15,720.71-3,085.02

Finding the Fourth Proportional to 10,480.37, 15,720.71 and 3,085.02

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Solution

The fourth proportional to 10,480.37, 15,720.71 and 3,085.02 is: 4,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.37 : 15,720.71 = 3,085.02 : x
  2. Step 2: Convert to fraction form
    10,480.37/15,720.71 = 3,085.02/x
  3. Step 3: Cross multiply
    10,480.37x = 15,720.71 × 3,085.02
  4. Step 4: Simplify right side
    10,480.37x = 48,498,689.34
  5. Step 5: Solve for x
    x = 48,498,689.34/10,480.37
  6. Step 6: Final answer
    x = 4,627.58

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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.