Home / 5,942.80-8,903.40-3,631.60

Finding the Fourth Proportional to 5,942.80, 8,903.40 and 3,631.60

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Solution

The fourth proportional to 5,942.80, 8,903.40 and 3,631.60 is: 5,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.80 : 8,903.40 = 3,631.60 : x
  2. Step 2: Convert to fraction form
    5,942.80/8,903.40 = 3,631.60/x
  3. Step 3: Cross multiply
    5,942.80x = 8,903.40 × 3,631.60
  4. Step 4: Simplify right side
    5,942.80x = 32,333,587.44
  5. Step 5: Solve for x
    x = 32,333,587.44/5,942.80
  6. Step 6: Final answer
    x = 5,440.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.