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Finding the Fourth Proportional to 4,339.94, 6,510.98 and 1,219.94

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Solution

The fourth proportional to 4,339.94, 6,510.98 and 1,219.94 is: 1,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.94 : 6,510.98 = 1,219.94 : x
  2. Step 2: Convert to fraction form
    4,339.94/6,510.98 = 1,219.94/x
  3. Step 3: Cross multiply
    4,339.94x = 6,510.98 × 1,219.94
  4. Step 4: Simplify right side
    4,339.94x = 7,943,004.94
  5. Step 5: Solve for x
    x = 7,943,004.94/4,339.94
  6. Step 6: Final answer
    x = 1,830.21

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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.