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Finding the Fourth Proportional to 6,851.04, 10,216.41 and 6,788.67

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Solution

The fourth proportional to 6,851.04, 10,216.41 and 6,788.67 is: 10,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.04 : 10,216.41 = 6,788.67 : x
  2. Step 2: Convert to fraction form
    6,851.04/10,216.41 = 6,788.67/x
  3. Step 3: Cross multiply
    6,851.04x = 10,216.41 × 6,788.67
  4. Step 4: Simplify right side
    6,851.04x = 69,355,836.07
  5. Step 5: Solve for x
    x = 69,355,836.07/6,851.04
  6. Step 6: Final answer
    x = 10,123.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.