Home / 7,071.21-10,607.99-2,391.66

Finding the Fourth Proportional to 7,071.21, 10,607.99 and 2,391.66

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Solution

The fourth proportional to 7,071.21, 10,607.99 and 2,391.66 is: 3,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.21 : 10,607.99 = 2,391.66 : x
  2. Step 2: Convert to fraction form
    7,071.21/10,607.99 = 2,391.66/x
  3. Step 3: Cross multiply
    7,071.21x = 10,607.99 × 2,391.66
  4. Step 4: Simplify right side
    7,071.21x = 25,370,693.41
  5. Step 5: Solve for x
    x = 25,370,693.41/7,071.21
  6. Step 6: Final answer
    x = 3,587.89

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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.