Home / 4,282.40-5,902.80-3,495.20

Finding the Fourth Proportional to 4,282.40, 5,902.80 and 3,495.20

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Solution

The fourth proportional to 4,282.40, 5,902.80 and 3,495.20 is: 4,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.40 : 5,902.80 = 3,495.20 : x
  2. Step 2: Convert to fraction form
    4,282.40/5,902.80 = 3,495.20/x
  3. Step 3: Cross multiply
    4,282.40x = 5,902.80 × 3,495.20
  4. Step 4: Simplify right side
    4,282.40x = 20,631,466.56
  5. Step 5: Solve for x
    x = 20,631,466.56/4,282.40
  6. Step 6: Final answer
    x = 4,817.73

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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.