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Finding the Fourth Proportional to 5,492.58, 7,579.38 and 3,134.67

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Solution

The fourth proportional to 5,492.58, 7,579.38 and 3,134.67 is: 4,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.58 : 7,579.38 = 3,134.67 : x
  2. Step 2: Convert to fraction form
    5,492.58/7,579.38 = 3,134.67/x
  3. Step 3: Cross multiply
    5,492.58x = 7,579.38 × 3,134.67
  4. Step 4: Simplify right side
    5,492.58x = 23,758,855.10
  5. Step 5: Solve for x
    x = 23,758,855.10/5,492.58
  6. Step 6: Final answer
    x = 4,325.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.