Home / 4,898.10-7,346.40-1,611.20

Finding the Fourth Proportional to 4,898.10, 7,346.40 and 1,611.20

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Solution

The fourth proportional to 4,898.10, 7,346.40 and 1,611.20 is: 2,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.10 : 7,346.40 = 1,611.20 : x
  2. Step 2: Convert to fraction form
    4,898.10/7,346.40 = 1,611.20/x
  3. Step 3: Cross multiply
    4,898.10x = 7,346.40 × 1,611.20
  4. Step 4: Simplify right side
    4,898.10x = 11,836,519.68
  5. Step 5: Solve for x
    x = 11,836,519.68/4,898.10
  6. Step 6: Final answer
    x = 2,416.55

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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.