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Finding the Fourth Proportional to 5,803.44, 8,707.12 and 1,908.48

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Solution

The fourth proportional to 5,803.44, 8,707.12 and 1,908.48 is: 2,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.44 : 8,707.12 = 1,908.48 : x
  2. Step 2: Convert to fraction form
    5,803.44/8,707.12 = 1,908.48/x
  3. Step 3: Cross multiply
    5,803.44x = 8,707.12 × 1,908.48
  4. Step 4: Simplify right side
    5,803.44x = 16,617,364.38
  5. Step 5: Solve for x
    x = 16,617,364.38/5,803.44
  6. Step 6: Final answer
    x = 2,863.36

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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.