Home / 4,108.65-5,669.93-2,220.23

Finding the Fourth Proportional to 4,108.65, 5,669.93 and 2,220.23

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Solution

The fourth proportional to 4,108.65, 5,669.93 and 2,220.23 is: 3,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.65 : 5,669.93 = 2,220.23 : x
  2. Step 2: Convert to fraction form
    4,108.65/5,669.93 = 2,220.23/x
  3. Step 3: Cross multiply
    4,108.65x = 5,669.93 × 2,220.23
  4. Step 4: Simplify right side
    4,108.65x = 12,588,528.96
  5. Step 5: Solve for x
    x = 12,588,528.96/4,108.65
  6. Step 6: Final answer
    x = 3,063.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.