Home / 6,220.65-9,328.21-3,298.29

Finding the Fourth Proportional to 6,220.65, 9,328.21 and 3,298.29

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Solution

The fourth proportional to 6,220.65, 9,328.21 and 3,298.29 is: 4,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.65 : 9,328.21 = 3,298.29 : x
  2. Step 2: Convert to fraction form
    6,220.65/9,328.21 = 3,298.29/x
  3. Step 3: Cross multiply
    6,220.65x = 9,328.21 × 3,298.29
  4. Step 4: Simplify right side
    6,220.65x = 30,767,125.27
  5. Step 5: Solve for x
    x = 30,767,125.27/6,220.65
  6. Step 6: Final answer
    x = 4,945.97

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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.