Home / 4,220.72-6,331.01-1,624.22

Finding the Fourth Proportional to 4,220.72, 6,331.01 and 1,624.22

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Solution

The fourth proportional to 4,220.72, 6,331.01 and 1,624.22 is: 2,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.72 : 6,331.01 = 1,624.22 : x
  2. Step 2: Convert to fraction form
    4,220.72/6,331.01 = 1,624.22/x
  3. Step 3: Cross multiply
    4,220.72x = 6,331.01 × 1,624.22
  4. Step 4: Simplify right side
    4,220.72x = 10,282,953.06
  5. Step 5: Solve for x
    x = 10,282,953.06/4,220.72
  6. Step 6: Final answer
    x = 2,436.30

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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.