Home / 5,918.07-8,878.02-2,021.57

Finding the Fourth Proportional to 5,918.07, 8,878.02 and 2,021.57

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Solution

The fourth proportional to 5,918.07, 8,878.02 and 2,021.57 is: 3,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.07 : 8,878.02 = 2,021.57 : x
  2. Step 2: Convert to fraction form
    5,918.07/8,878.02 = 2,021.57/x
  3. Step 3: Cross multiply
    5,918.07x = 8,878.02 × 2,021.57
  4. Step 4: Simplify right side
    5,918.07x = 17,947,484.39
  5. Step 5: Solve for x
    x = 17,947,484.39/5,918.07
  6. Step 6: Final answer
    x = 3,032.66

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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.