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Finding the Fourth Proportional to 4,671.73, 7,007.60 and 4,438.15

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Solution

The fourth proportional to 4,671.73, 7,007.60 and 4,438.15 is: 6,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.73 : 7,007.60 = 4,438.15 : x
  2. Step 2: Convert to fraction form
    4,671.73/7,007.60 = 4,438.15/x
  3. Step 3: Cross multiply
    4,671.73x = 7,007.60 × 4,438.15
  4. Step 4: Simplify right side
    4,671.73x = 31,100,779.94
  5. Step 5: Solve for x
    x = 31,100,779.94/4,671.73
  6. Step 6: Final answer
    x = 6,657.23

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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.