Home / 4,715.21-7,072.81-1,252.46

Finding the Fourth Proportional to 4,715.21, 7,072.81 and 1,252.46

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Solution

The fourth proportional to 4,715.21, 7,072.81 and 1,252.46 is: 1,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.21 : 7,072.81 = 1,252.46 : x
  2. Step 2: Convert to fraction form
    4,715.21/7,072.81 = 1,252.46/x
  3. Step 3: Cross multiply
    4,715.21x = 7,072.81 × 1,252.46
  4. Step 4: Simplify right side
    4,715.21x = 8,858,369.99
  5. Step 5: Solve for x
    x = 8,858,369.99/4,715.21
  6. Step 6: Final answer
    x = 1,878.68

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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.