Home / 4,213.71-6,321.36-1,616.45

Finding the Fourth Proportional to 4,213.71, 6,321.36 and 1,616.45

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Solution

The fourth proportional to 4,213.71, 6,321.36 and 1,616.45 is: 2,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.71 : 6,321.36 = 1,616.45 : x
  2. Step 2: Convert to fraction form
    4,213.71/6,321.36 = 1,616.45/x
  3. Step 3: Cross multiply
    4,213.71x = 6,321.36 × 1,616.45
  4. Step 4: Simplify right side
    4,213.71x = 10,218,130.77
  5. Step 5: Solve for x
    x = 10,218,130.77/4,213.71
  6. Step 6: Final answer
    x = 2,424.97

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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.