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Finding the Fourth Proportional to 6,307.57, 8,704.62 and 3,619.02

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Solution

The fourth proportional to 6,307.57, 8,704.62 and 3,619.02 is: 4,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.57 : 8,704.62 = 3,619.02 : x
  2. Step 2: Convert to fraction form
    6,307.57/8,704.62 = 3,619.02/x
  3. Step 3: Cross multiply
    6,307.57x = 8,704.62 × 3,619.02
  4. Step 4: Simplify right side
    6,307.57x = 31,502,162.67
  5. Step 5: Solve for x
    x = 31,502,162.67/6,307.57
  6. Step 6: Final answer
    x = 4,994.34

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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.