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Finding the Fourth Proportional to 6,472.44, 8,928.36 and 4,484.16

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Solution

The fourth proportional to 6,472.44, 8,928.36 and 4,484.16 is: 6,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.44 : 8,928.36 = 4,484.16 : x
  2. Step 2: Convert to fraction form
    6,472.44/8,928.36 = 4,484.16/x
  3. Step 3: Cross multiply
    6,472.44x = 8,928.36 × 4,484.16
  4. Step 4: Simplify right side
    6,472.44x = 40,036,194.78
  5. Step 5: Solve for x
    x = 40,036,194.78/6,472.44
  6. Step 6: Final answer
    x = 6,185.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.