Home / 4,722.78-7,084.26-1,260

Finding the Fourth Proportional to 4,722.78, 7,084.26 and 1,260

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Solution

The fourth proportional to 4,722.78, 7,084.26 and 1,260 is: 1,890.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.78 : 7,084.26 = 1,260 : x
  2. Step 2: Convert to fraction form
    4,722.78/7,084.26 = 1,260/x
  3. Step 3: Cross multiply
    4,722.78x = 7,084.26 × 1,260
  4. Step 4: Simplify right side
    4,722.78x = 8,926,167.60
  5. Step 5: Solve for x
    x = 8,926,167.60/4,722.78
  6. Step 6: Final answer
    x = 1,890.02

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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.