Home / 4,220.16-6,288.96-4,080.84

Finding the Fourth Proportional to 4,220.16, 6,288.96 and 4,080.84

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Solution

The fourth proportional to 4,220.16, 6,288.96 and 4,080.84 is: 6,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.16 : 6,288.96 = 4,080.84 : x
  2. Step 2: Convert to fraction form
    4,220.16/6,288.96 = 4,080.84/x
  3. Step 3: Cross multiply
    4,220.16x = 6,288.96 × 4,080.84
  4. Step 4: Simplify right side
    4,220.16x = 25,664,239.53
  5. Step 5: Solve for x
    x = 25,664,239.53/4,220.16
  6. Step 6: Final answer
    x = 6,081.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.