Home / 4,850.16-7,275.29-3,120

Finding the Fourth Proportional to 4,850.16, 7,275.29 and 3,120

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Solution

The fourth proportional to 4,850.16, 7,275.29 and 3,120 is: 4,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.16 : 7,275.29 = 3,120 : x
  2. Step 2: Convert to fraction form
    4,850.16/7,275.29 = 3,120/x
  3. Step 3: Cross multiply
    4,850.16x = 7,275.29 × 3,120
  4. Step 4: Simplify right side
    4,850.16x = 22,698,889.20
  5. Step 5: Solve for x
    x = 22,698,889.20/4,850.16
  6. Step 6: Final answer
    x = 4,680.03

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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.