Home / 4,217.96-6,326.26-1,620.28

Finding the Fourth Proportional to 4,217.96, 6,326.26 and 1,620.28

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Solution

The fourth proportional to 4,217.96, 6,326.26 and 1,620.28 is: 2,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.96 : 6,326.26 = 1,620.28 : x
  2. Step 2: Convert to fraction form
    4,217.96/6,326.26 = 1,620.28/x
  3. Step 3: Cross multiply
    4,217.96x = 6,326.26 × 1,620.28
  4. Step 4: Simplify right side
    4,217.96x = 10,250,312.55
  5. Step 5: Solve for x
    x = 10,250,312.55/4,217.96
  6. Step 6: Final answer
    x = 2,430.16

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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.