Home / 9,621.26-14,405.25-5,228.78

Finding the Fourth Proportional to 9,621.26, 14,405.25 and 5,228.78

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Solution

The fourth proportional to 9,621.26, 14,405.25 and 5,228.78 is: 7,828.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.26 : 14,405.25 = 5,228.78 : x
  2. Step 2: Convert to fraction form
    9,621.26/14,405.25 = 5,228.78/x
  3. Step 3: Cross multiply
    9,621.26x = 14,405.25 × 5,228.78
  4. Step 4: Simplify right side
    9,621.26x = 75,321,883.10
  5. Step 5: Solve for x
    x = 75,321,883.10/9,621.26
  6. Step 6: Final answer
    x = 7,828.69

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1.5x scale

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.