Home / 8,113.49-12,145.57-5,193.84

Finding the Fourth Proportional to 8,113.49, 12,145.57 and 5,193.84

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Solution

The fourth proportional to 8,113.49, 12,145.57 and 5,193.84 is: 7,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.49 : 12,145.57 = 5,193.84 : x
  2. Step 2: Convert to fraction form
    8,113.49/12,145.57 = 5,193.84/x
  3. Step 3: Cross multiply
    8,113.49x = 12,145.57 × 5,193.84
  4. Step 4: Simplify right side
    8,113.49x = 63,082,134.30
  5. Step 5: Solve for x
    x = 63,082,134.30/8,113.49
  6. Step 6: Final answer
    x = 7,774.97

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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.