Home / 4,220.48-5,816.04-3,039.32

Finding the Fourth Proportional to 4,220.48, 5,816.04 and 3,039.32

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Solution

The fourth proportional to 4,220.48, 5,816.04 and 3,039.32 is: 4,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.48 : 5,816.04 = 3,039.32 : x
  2. Step 2: Convert to fraction form
    4,220.48/5,816.04 = 3,039.32/x
  3. Step 3: Cross multiply
    4,220.48x = 5,816.04 × 3,039.32
  4. Step 4: Simplify right side
    4,220.48x = 17,676,806.69
  5. Step 5: Solve for x
    x = 17,676,806.69/4,220.48
  6. Step 6: Final answer
    x = 4,188.34

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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.