Home / 5,370.08-8,056.20-1,907.60

Finding the Fourth Proportional to 5,370.08, 8,056.20 and 1,907.60

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Solution

The fourth proportional to 5,370.08, 8,056.20 and 1,907.60 is: 2,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.08 : 8,056.20 = 1,907.60 : x
  2. Step 2: Convert to fraction form
    5,370.08/8,056.20 = 1,907.60/x
  3. Step 3: Cross multiply
    5,370.08x = 8,056.20 × 1,907.60
  4. Step 4: Simplify right side
    5,370.08x = 15,368,007.12
  5. Step 5: Solve for x
    x = 15,368,007.12/5,370.08
  6. Step 6: Final answer
    x = 2,861.78

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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.