Home / 4,674.40-6,450.72-2,578.72

Finding the Fourth Proportional to 4,674.40, 6,450.72 and 2,578.72

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Solution

The fourth proportional to 4,674.40, 6,450.72 and 2,578.72 is: 3,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.40 : 6,450.72 = 2,578.72 : x
  2. Step 2: Convert to fraction form
    4,674.40/6,450.72 = 2,578.72/x
  3. Step 3: Cross multiply
    4,674.40x = 6,450.72 × 2,578.72
  4. Step 4: Simplify right side
    4,674.40x = 16,634,600.68
  5. Step 5: Solve for x
    x = 16,634,600.68/4,674.40
  6. Step 6: Final answer
    x = 3,558.66

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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.