Home / 4,147.39-6,220.23-1,225.01

Finding the Fourth Proportional to 4,147.39, 6,220.23 and 1,225.01

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Solution

The fourth proportional to 4,147.39, 6,220.23 and 1,225.01 is: 1,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.39 : 6,220.23 = 1,225.01 : x
  2. Step 2: Convert to fraction form
    4,147.39/6,220.23 = 1,225.01/x
  3. Step 3: Cross multiply
    4,147.39x = 6,220.23 × 1,225.01
  4. Step 4: Simplify right side
    4,147.39x = 7,619,854.91
  5. Step 5: Solve for x
    x = 7,619,854.91/4,147.39
  6. Step 6: Final answer
    x = 1,837.26

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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.