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Finding the Fourth Proportional to 6,445.76, 9,668.93 and 1,765.67

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Solution

The fourth proportional to 6,445.76, 9,668.93 and 1,765.67 is: 2,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.76 : 9,668.93 = 1,765.67 : x
  2. Step 2: Convert to fraction form
    6,445.76/9,668.93 = 1,765.67/x
  3. Step 3: Cross multiply
    6,445.76x = 9,668.93 × 1,765.67
  4. Step 4: Simplify right side
    6,445.76x = 17,072,082.46
  5. Step 5: Solve for x
    x = 17,072,082.46/6,445.76
  6. Step 6: Final answer
    x = 2,648.58

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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.