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Finding the Fourth Proportional to 4,846.08, 7,230.08 and 4,378.98

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Solution

The fourth proportional to 4,846.08, 7,230.08 and 4,378.98 is: 6,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,846.08 : 7,230.08 = 4,378.98 : x
  2. Step 2: Convert to fraction form
    4,846.08/7,230.08 = 4,378.98/x
  3. Step 3: Cross multiply
    4,846.08x = 7,230.08 × 4,378.98
  4. Step 4: Simplify right side
    4,846.08x = 31,660,375.72
  5. Step 5: Solve for x
    x = 31,660,375.72/4,846.08
  6. Step 6: Final answer
    x = 6,533.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.