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Finding the Fourth Proportional to 4,549.34, 6,821.84 and 2,907.74

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Solution

The fourth proportional to 4,549.34, 6,821.84 and 2,907.74 is: 4,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.34 : 6,821.84 = 2,907.74 : x
  2. Step 2: Convert to fraction form
    4,549.34/6,821.84 = 2,907.74/x
  3. Step 3: Cross multiply
    4,549.34x = 6,821.84 × 2,907.74
  4. Step 4: Simplify right side
    4,549.34x = 19,836,137.04
  5. Step 5: Solve for x
    x = 19,836,137.04/4,549.34
  6. Step 6: Final answer
    x = 4,360.22

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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.