Home / 4,188.61-6,280.64-1,266.54

Finding the Fourth Proportional to 4,188.61, 6,280.64 and 1,266.54

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Solution

The fourth proportional to 4,188.61, 6,280.64 and 1,266.54 is: 1,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.61 : 6,280.64 = 1,266.54 : x
  2. Step 2: Convert to fraction form
    4,188.61/6,280.64 = 1,266.54/x
  3. Step 3: Cross multiply
    4,188.61x = 6,280.64 × 1,266.54
  4. Step 4: Simplify right side
    4,188.61x = 7,954,656.65
  5. Step 5: Solve for x
    x = 7,954,656.65/4,188.61
  6. Step 6: Final answer
    x = 1,899.12

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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.