Home / 5,106.10-7,659.18-1,819.32

Finding the Fourth Proportional to 5,106.10, 7,659.18 and 1,819.32

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Solution

The fourth proportional to 5,106.10, 7,659.18 and 1,819.32 is: 2,728.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.10 : 7,659.18 = 1,819.32 : x
  2. Step 2: Convert to fraction form
    5,106.10/7,659.18 = 1,819.32/x
  3. Step 3: Cross multiply
    5,106.10x = 7,659.18 × 1,819.32
  4. Step 4: Simplify right side
    5,106.10x = 13,934,499.36
  5. Step 5: Solve for x
    x = 13,934,499.36/5,106.10
  6. Step 6: Final answer
    x = 2,728.99

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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.