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Finding the Fourth Proportional to 5,672.08, 8,509.86 and 2,900.70

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Solution

The fourth proportional to 5,672.08, 8,509.86 and 2,900.70 is: 4,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.08 : 8,509.86 = 2,900.70 : x
  2. Step 2: Convert to fraction form
    5,672.08/8,509.86 = 2,900.70/x
  3. Step 3: Cross multiply
    5,672.08x = 8,509.86 × 2,900.70
  4. Step 4: Simplify right side
    5,672.08x = 24,684,550.90
  5. Step 5: Solve for x
    x = 24,684,550.90/5,672.08
  6. Step 6: Final answer
    x = 4,351.94

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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.