Home / 7,137.04-10,710.81-3,388.83

Finding the Fourth Proportional to 7,137.04, 10,710.81 and 3,388.83

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Solution

The fourth proportional to 7,137.04, 10,710.81 and 3,388.83 is: 5,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.04 : 10,710.81 = 3,388.83 : x
  2. Step 2: Convert to fraction form
    7,137.04/10,710.81 = 3,388.83/x
  3. Step 3: Cross multiply
    7,137.04x = 10,710.81 × 3,388.83
  4. Step 4: Simplify right side
    7,137.04x = 36,297,114.25
  5. Step 5: Solve for x
    x = 36,297,114.25/7,137.04
  6. Step 6: Final answer
    x = 5,085.74

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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.