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Finding the Fourth Proportional to 5,851.82, 8,779.26 and 1,956.26

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Solution

The fourth proportional to 5,851.82, 8,779.26 and 1,956.26 is: 2,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.82 : 8,779.26 = 1,956.26 : x
  2. Step 2: Convert to fraction form
    5,851.82/8,779.26 = 1,956.26/x
  3. Step 3: Cross multiply
    5,851.82x = 8,779.26 × 1,956.26
  4. Step 4: Simplify right side
    5,851.82x = 17,174,515.17
  5. Step 5: Solve for x
    x = 17,174,515.17/5,851.82
  6. Step 6: Final answer
    x = 2,934.90

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1.5x scale

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.