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Finding the Fourth Proportional to 4,674, 6,450.16 and 2,578.18

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Solution

The fourth proportional to 4,674, 6,450.16 and 2,578.18 is: 3,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674 : 6,450.16 = 2,578.18 : x
  2. Step 2: Convert to fraction form
    4,674/6,450.16 = 2,578.18/x
  3. Step 3: Cross multiply
    4,674x = 6,450.16 × 2,578.18
  4. Step 4: Simplify right side
    4,674x = 16,629,673.51
  5. Step 5: Solve for x
    x = 16,629,673.51/4,674
  6. Step 6: Final answer
    x = 3,557.91

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1.5x scale

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.