Home / 7,149.87-10,706.54-4,230.27

Finding the Fourth Proportional to 7,149.87, 10,706.54 and 4,230.27

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Solution

The fourth proportional to 7,149.87, 10,706.54 and 4,230.27 is: 6,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.87 : 10,706.54 = 4,230.27 : x
  2. Step 2: Convert to fraction form
    7,149.87/10,706.54 = 4,230.27/x
  3. Step 3: Cross multiply
    7,149.87x = 10,706.54 × 4,230.27
  4. Step 4: Simplify right side
    7,149.87x = 45,291,533.81
  5. Step 5: Solve for x
    x = 45,291,533.81/7,149.87
  6. Step 6: Final answer
    x = 6,334.60

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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.