Home / 4,681.22-7,021.70-1,907.88

Finding the Fourth Proportional to 4,681.22, 7,021.70 and 1,907.88

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Solution

The fourth proportional to 4,681.22, 7,021.70 and 1,907.88 is: 2,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.22 : 7,021.70 = 1,907.88 : x
  2. Step 2: Convert to fraction form
    4,681.22/7,021.70 = 1,907.88/x
  3. Step 3: Cross multiply
    4,681.22x = 7,021.70 × 1,907.88
  4. Step 4: Simplify right side
    4,681.22x = 13,396,543.01
  5. Step 5: Solve for x
    x = 13,396,543.01/4,681.22
  6. Step 6: Final answer
    x = 2,861.77

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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.