Home / 4,215.06-6,322.32-1,293.12

Finding the Fourth Proportional to 4,215.06, 6,322.32 and 1,293.12

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Solution

The fourth proportional to 4,215.06, 6,322.32 and 1,293.12 is: 1,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.06 : 6,322.32 = 1,293.12 : x
  2. Step 2: Convert to fraction form
    4,215.06/6,322.32 = 1,293.12/x
  3. Step 3: Cross multiply
    4,215.06x = 6,322.32 × 1,293.12
  4. Step 4: Simplify right side
    4,215.06x = 8,175,518.44
  5. Step 5: Solve for x
    x = 8,175,518.44/4,215.06
  6. Step 6: Final answer
    x = 1,939.60

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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.