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Finding the Fourth Proportional to 5,851.24, 8,775.74 and 1,690.20

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Solution

The fourth proportional to 5,851.24, 8,775.74 and 1,690.20 is: 2,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.24 : 8,775.74 = 1,690.20 : x
  2. Step 2: Convert to fraction form
    5,851.24/8,775.74 = 1,690.20/x
  3. Step 3: Cross multiply
    5,851.24x = 8,775.74 × 1,690.20
  4. Step 4: Simplify right side
    5,851.24x = 14,832,759.97
  5. Step 5: Solve for x
    x = 14,832,759.97/5,851.24
  6. Step 6: Final answer
    x = 2,534.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.