Home / 4,225.80-6,338.70-1,455.60

Finding the Fourth Proportional to 4,225.80, 6,338.70 and 1,455.60

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Solution

The fourth proportional to 4,225.80, 6,338.70 and 1,455.60 is: 2,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.80 : 6,338.70 = 1,455.60 : x
  2. Step 2: Convert to fraction form
    4,225.80/6,338.70 = 1,455.60/x
  3. Step 3: Cross multiply
    4,225.80x = 6,338.70 × 1,455.60
  4. Step 4: Simplify right side
    4,225.80x = 9,226,611.72
  5. Step 5: Solve for x
    x = 9,226,611.72/4,225.80
  6. Step 6: Final answer
    x = 2,183.40

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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.