Home / 7,176.78-9,903.87-4,033.50

Finding the Fourth Proportional to 7,176.78, 9,903.87 and 4,033.50

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Solution

The fourth proportional to 7,176.78, 9,903.87 and 4,033.50 is: 5,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.78 : 9,903.87 = 4,033.50 : x
  2. Step 2: Convert to fraction form
    7,176.78/9,903.87 = 4,033.50/x
  3. Step 3: Cross multiply
    7,176.78x = 9,903.87 × 4,033.50
  4. Step 4: Simplify right side
    7,176.78x = 39,947,259.65
  5. Step 5: Solve for x
    x = 39,947,259.65/7,176.78
  6. Step 6: Final answer
    x = 5,566.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.