Home / 4,717.69-7,071.67-2,122.45

Finding the Fourth Proportional to 4,717.69, 7,071.67 and 2,122.45

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Solution

The fourth proportional to 4,717.69, 7,071.67 and 2,122.45 is: 3,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.69 : 7,071.67 = 2,122.45 : x
  2. Step 2: Convert to fraction form
    4,717.69/7,071.67 = 2,122.45/x
  3. Step 3: Cross multiply
    4,717.69x = 7,071.67 × 2,122.45
  4. Step 4: Simplify right side
    4,717.69x = 15,009,265.99
  5. Step 5: Solve for x
    x = 15,009,265.99/4,717.69
  6. Step 6: Final answer
    x = 3,181.49

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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.