Home / 5,919.39-8,877.96-1,970.06

Finding the Fourth Proportional to 5,919.39, 8,877.96 and 1,970.06

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Solution

The fourth proportional to 5,919.39, 8,877.96 and 1,970.06 is: 2,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.39 : 8,877.96 = 1,970.06 : x
  2. Step 2: Convert to fraction form
    5,919.39/8,877.96 = 1,970.06/x
  3. Step 3: Cross multiply
    5,919.39x = 8,877.96 × 1,970.06
  4. Step 4: Simplify right side
    5,919.39x = 17,490,069.49
  5. Step 5: Solve for x
    x = 17,490,069.49/5,919.39
  6. Step 6: Final answer
    x = 2,954.71

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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.