Home / 5,470.08-8,205.24-1,771.20

Finding the Fourth Proportional to 5,470.08, 8,205.24 and 1,771.20

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Solution

The fourth proportional to 5,470.08, 8,205.24 and 1,771.20 is: 2,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.08 : 8,205.24 = 1,771.20 : x
  2. Step 2: Convert to fraction form
    5,470.08/8,205.24 = 1,771.20/x
  3. Step 3: Cross multiply
    5,470.08x = 8,205.24 × 1,771.20
  4. Step 4: Simplify right side
    5,470.08x = 14,533,121.09
  5. Step 5: Solve for x
    x = 14,533,121.09/5,470.08
  6. Step 6: Final answer
    x = 2,656.84

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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.