Home / 5,223.74-7,830.61-1,935.95

Finding the Fourth Proportional to 5,223.74, 7,830.61 and 1,935.95

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Solution

The fourth proportional to 5,223.74, 7,830.61 and 1,935.95 is: 2,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.74 : 7,830.61 = 1,935.95 : x
  2. Step 2: Convert to fraction form
    5,223.74/7,830.61 = 1,935.95/x
  3. Step 3: Cross multiply
    5,223.74x = 7,830.61 × 1,935.95
  4. Step 4: Simplify right side
    5,223.74x = 15,159,620.60
  5. Step 5: Solve for x
    x = 15,159,620.60/5,223.74
  6. Step 6: Final answer
    x = 2,902.07

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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.