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Finding the Fourth Proportional to 4,719.04, 7,067.60 and 4,555.04

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Solution

The fourth proportional to 4,719.04, 7,067.60 and 4,555.04 is: 6,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.04 : 7,067.60 = 4,555.04 : x
  2. Step 2: Convert to fraction form
    4,719.04/7,067.60 = 4,555.04/x
  3. Step 3: Cross multiply
    4,719.04x = 7,067.60 × 4,555.04
  4. Step 4: Simplify right side
    4,719.04x = 32,193,200.70
  5. Step 5: Solve for x
    x = 32,193,200.70/4,719.04
  6. Step 6: Final answer
    x = 6,821.98

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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.