Home / 4,851.36-7,278.26-1,564.38

Finding the Fourth Proportional to 4,851.36, 7,278.26 and 1,564.38

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Solution

The fourth proportional to 4,851.36, 7,278.26 and 1,564.38 is: 2,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.36 : 7,278.26 = 1,564.38 : x
  2. Step 2: Convert to fraction form
    4,851.36/7,278.26 = 1,564.38/x
  3. Step 3: Cross multiply
    4,851.36x = 7,278.26 × 1,564.38
  4. Step 4: Simplify right side
    4,851.36x = 11,385,956.56
  5. Step 5: Solve for x
    x = 11,385,956.56/4,851.36
  6. Step 6: Final answer
    x = 2,346.96

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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.