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Finding the Fourth Proportional to 6,767.79, 10,140.03 and 6,082.98

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Solution

The fourth proportional to 6,767.79, 10,140.03 and 6,082.98 is: 9,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.79 : 10,140.03 = 6,082.98 : x
  2. Step 2: Convert to fraction form
    6,767.79/10,140.03 = 6,082.98/x
  3. Step 3: Cross multiply
    6,767.79x = 10,140.03 × 6,082.98
  4. Step 4: Simplify right side
    6,767.79x = 61,681,599.69
  5. Step 5: Solve for x
    x = 61,681,599.69/6,767.79
  6. Step 6: Final answer
    x = 9,113.99

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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.