Home / 4,855.04-7,281.44-1,391.52

Finding the Fourth Proportional to 4,855.04, 7,281.44 and 1,391.52

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Solution

The fourth proportional to 4,855.04, 7,281.44 and 1,391.52 is: 2,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.04 : 7,281.44 = 1,391.52 : x
  2. Step 2: Convert to fraction form
    4,855.04/7,281.44 = 1,391.52/x
  3. Step 3: Cross multiply
    4,855.04x = 7,281.44 × 1,391.52
  4. Step 4: Simplify right side
    4,855.04x = 10,132,269.39
  5. Step 5: Solve for x
    x = 10,132,269.39/4,855.04
  6. Step 6: Final answer
    x = 2,086.96

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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.