Home / 4,389.90-6,063.09-3,200.19

Finding the Fourth Proportional to 4,389.90, 6,063.09 and 3,200.19

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Solution

The fourth proportional to 4,389.90, 6,063.09 and 3,200.19 is: 4,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.90 : 6,063.09 = 3,200.19 : x
  2. Step 2: Convert to fraction form
    4,389.90/6,063.09 = 3,200.19/x
  3. Step 3: Cross multiply
    4,389.90x = 6,063.09 × 3,200.19
  4. Step 4: Simplify right side
    4,389.90x = 19,403,039.99
  5. Step 5: Solve for x
    x = 19,403,039.99/4,389.90
  6. Step 6: Final answer
    x = 4,419.93

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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.