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Finding the Fourth Proportional to 5,919.72, 8,833.14 and 5,299.14

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Solution

The fourth proportional to 5,919.72, 8,833.14 and 5,299.14 is: 7,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.72 : 8,833.14 = 5,299.14 : x
  2. Step 2: Convert to fraction form
    5,919.72/8,833.14 = 5,299.14/x
  3. Step 3: Cross multiply
    5,919.72x = 8,833.14 × 5,299.14
  4. Step 4: Simplify right side
    5,919.72x = 46,808,045.50
  5. Step 5: Solve for x
    x = 46,808,045.50/5,919.72
  6. Step 6: Final answer
    x = 7,907.14

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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.