Home / 4,800.26-7,200.09-1,515.71

Finding the Fourth Proportional to 4,800.26, 7,200.09 and 1,515.71

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Solution

The fourth proportional to 4,800.26, 7,200.09 and 1,515.71 is: 2,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.26 : 7,200.09 = 1,515.71 : x
  2. Step 2: Convert to fraction form
    4,800.26/7,200.09 = 1,515.71/x
  3. Step 3: Cross multiply
    4,800.26x = 7,200.09 × 1,515.71
  4. Step 4: Simplify right side
    4,800.26x = 10,913,266.41
  5. Step 5: Solve for x
    x = 10,913,266.41/4,800.26
  6. Step 6: Final answer
    x = 2,273.47

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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.