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Finding the Fourth Proportional to 6,403.50, 8,844.12 and 4,303.98

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Solution

The fourth proportional to 6,403.50, 8,844.12 and 4,303.98 is: 5,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.50 : 8,844.12 = 4,303.98 : x
  2. Step 2: Convert to fraction form
    6,403.50/8,844.12 = 4,303.98/x
  3. Step 3: Cross multiply
    6,403.50x = 8,844.12 × 4,303.98
  4. Step 4: Simplify right side
    6,403.50x = 38,064,915.60
  5. Step 5: Solve for x
    x = 38,064,915.60/6,403.50
  6. Step 6: Final answer
    x = 5,944.39

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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.