Home / 5,810.95-8,716.35-1,428.37

Finding the Fourth Proportional to 5,810.95, 8,716.35 and 1,428.37

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Solution

The fourth proportional to 5,810.95, 8,716.35 and 1,428.37 is: 2,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.95 : 8,716.35 = 1,428.37 : x
  2. Step 2: Convert to fraction form
    5,810.95/8,716.35 = 1,428.37/x
  3. Step 3: Cross multiply
    5,810.95x = 8,716.35 × 1,428.37
  4. Step 4: Simplify right side
    5,810.95x = 12,450,172.85
  5. Step 5: Solve for x
    x = 12,450,172.85/5,810.95
  6. Step 6: Final answer
    x = 2,142.54

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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.