Home / 7,070.26-10,605.66-1,876

Finding the Fourth Proportional to 7,070.26, 10,605.66 and 1,876

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Solution

The fourth proportional to 7,070.26, 10,605.66 and 1,876 is: 2,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.26 : 10,605.66 = 1,876 : x
  2. Step 2: Convert to fraction form
    7,070.26/10,605.66 = 1,876/x
  3. Step 3: Cross multiply
    7,070.26x = 10,605.66 × 1,876
  4. Step 4: Simplify right side
    7,070.26x = 19,896,218.16
  5. Step 5: Solve for x
    x = 19,896,218.16/7,070.26
  6. Step 6: Final answer
    x = 2,814.07

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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.