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Finding the Fourth Proportional to 5,204.04, 7,809.12 and 1,919.44

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Solution

The fourth proportional to 5,204.04, 7,809.12 and 1,919.44 is: 2,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.04 : 7,809.12 = 1,919.44 : x
  2. Step 2: Convert to fraction form
    5,204.04/7,809.12 = 1,919.44/x
  3. Step 3: Cross multiply
    5,204.04x = 7,809.12 × 1,919.44
  4. Step 4: Simplify right side
    5,204.04x = 14,989,137.29
  5. Step 5: Solve for x
    x = 14,989,137.29/5,204.04
  6. Step 6: Final answer
    x = 2,880.29

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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.