Home / 4,215.80-6,322.16-1,441.72

Finding the Fourth Proportional to 4,215.80, 6,322.16 and 1,441.72

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Solution

The fourth proportional to 4,215.80, 6,322.16 and 1,441.72 is: 2,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.80 : 6,322.16 = 1,441.72 : x
  2. Step 2: Convert to fraction form
    4,215.80/6,322.16 = 1,441.72/x
  3. Step 3: Cross multiply
    4,215.80x = 6,322.16 × 1,441.72
  4. Step 4: Simplify right side
    4,215.80x = 9,114,784.52
  5. Step 5: Solve for x
    x = 9,114,784.52/4,215.80
  6. Step 6: Final answer
    x = 2,162.05

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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.