Home / 5,114.63-7,656.96-3,886.94

Finding the Fourth Proportional to 5,114.63, 7,656.96 and 3,886.94

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Solution

The fourth proportional to 5,114.63, 7,656.96 and 3,886.94 is: 5,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.63 : 7,656.96 = 3,886.94 : x
  2. Step 2: Convert to fraction form
    5,114.63/7,656.96 = 3,886.94/x
  3. Step 3: Cross multiply
    5,114.63x = 7,656.96 × 3,886.94
  4. Step 4: Simplify right side
    5,114.63x = 29,762,144.10
  5. Step 5: Solve for x
    x = 29,762,144.10/5,114.63
  6. Step 6: Final answer
    x = 5,819.02

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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.