Home / 7,780.37-11,668.77-2,233.67

Finding the Fourth Proportional to 7,780.37, 11,668.77 and 2,233.67

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Solution

The fourth proportional to 7,780.37, 11,668.77 and 2,233.67 is: 3,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.37 : 11,668.77 = 2,233.67 : x
  2. Step 2: Convert to fraction form
    7,780.37/11,668.77 = 2,233.67/x
  3. Step 3: Cross multiply
    7,780.37x = 11,668.77 × 2,233.67
  4. Step 4: Simplify right side
    7,780.37x = 26,064,123.14
  5. Step 5: Solve for x
    x = 26,064,123.14/7,780.37
  6. Step 6: Final answer
    x = 3,349.99

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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.