Home / 4,305.24-6,446.88-2,842.20

Finding the Fourth Proportional to 4,305.24, 6,446.88 and 2,842.20

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Solution

The fourth proportional to 4,305.24, 6,446.88 and 2,842.20 is: 4,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.24 : 6,446.88 = 2,842.20 : x
  2. Step 2: Convert to fraction form
    4,305.24/6,446.88 = 2,842.20/x
  3. Step 3: Cross multiply
    4,305.24x = 6,446.88 × 2,842.20
  4. Step 4: Simplify right side
    4,305.24x = 18,323,322.34
  5. Step 5: Solve for x
    x = 18,323,322.34/4,305.24
  6. Step 6: Final answer
    x = 4,256.05

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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.