Home / 4,423.20-6,112.80-3,537.60

Finding the Fourth Proportional to 4,423.20, 6,112.80 and 3,537.60

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Solution

The fourth proportional to 4,423.20, 6,112.80 and 3,537.60 is: 4,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.20 : 6,112.80 = 3,537.60 : x
  2. Step 2: Convert to fraction form
    4,423.20/6,112.80 = 3,537.60/x
  3. Step 3: Cross multiply
    4,423.20x = 6,112.80 × 3,537.60
  4. Step 4: Simplify right side
    4,423.20x = 21,624,641.28
  5. Step 5: Solve for x
    x = 21,624,641.28/4,423.20
  6. Step 6: Final answer
    x = 4,888.91

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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.