Home / 4,212.35-6,314.07-1,578.13

Finding the Fourth Proportional to 4,212.35, 6,314.07 and 1,578.13

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Solution

The fourth proportional to 4,212.35, 6,314.07 and 1,578.13 is: 2,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.35 : 6,314.07 = 1,578.13 : x
  2. Step 2: Convert to fraction form
    4,212.35/6,314.07 = 1,578.13/x
  3. Step 3: Cross multiply
    4,212.35x = 6,314.07 × 1,578.13
  4. Step 4: Simplify right side
    4,212.35x = 9,964,427.23
  5. Step 5: Solve for x
    x = 9,964,427.23/4,212.35
  6. Step 6: Final answer
    x = 2,365.53

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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.