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Finding the Fourth Proportional to 5,874.40, 8,804.72 and 5,809.44

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Solution

The fourth proportional to 5,874.40, 8,804.72 and 5,809.44 is: 8,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.40 : 8,804.72 = 5,809.44 : x
  2. Step 2: Convert to fraction form
    5,874.40/8,804.72 = 5,809.44/x
  3. Step 3: Cross multiply
    5,874.40x = 8,804.72 × 5,809.44
  4. Step 4: Simplify right side
    5,874.40x = 51,150,492.56
  5. Step 5: Solve for x
    x = 51,150,492.56/5,874.40
  6. Step 6: Final answer
    x = 8,707.36

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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.