Home / 4,996.80-6,890.40-3,225.60

Finding the Fourth Proportional to 4,996.80, 6,890.40 and 3,225.60

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Solution

The fourth proportional to 4,996.80, 6,890.40 and 3,225.60 is: 4,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.80 : 6,890.40 = 3,225.60 : x
  2. Step 2: Convert to fraction form
    4,996.80/6,890.40 = 3,225.60/x
  3. Step 3: Cross multiply
    4,996.80x = 6,890.40 × 3,225.60
  4. Step 4: Simplify right side
    4,996.80x = 22,225,674.24
  5. Step 5: Solve for x
    x = 22,225,674.24/4,996.80
  6. Step 6: Final answer
    x = 4,447.98

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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.