Home / 5,212.60-7,823.01-1,926.64

Finding the Fourth Proportional to 5,212.60, 7,823.01 and 1,926.64

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Solution

The fourth proportional to 5,212.60, 7,823.01 and 1,926.64 is: 2,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.60 : 7,823.01 = 1,926.64 : x
  2. Step 2: Convert to fraction form
    5,212.60/7,823.01 = 1,926.64/x
  3. Step 3: Cross multiply
    5,212.60x = 7,823.01 × 1,926.64
  4. Step 4: Simplify right side
    5,212.60x = 15,072,096.99
  5. Step 5: Solve for x
    x = 15,072,096.99/5,212.60
  6. Step 6: Final answer
    x = 2,891.47

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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.