Home / 4,851.24-7,278.30-1,564.80

Finding the Fourth Proportional to 4,851.24, 7,278.30 and 1,564.80

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Solution

The fourth proportional to 4,851.24, 7,278.30 and 1,564.80 is: 2,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.24 : 7,278.30 = 1,564.80 : x
  2. Step 2: Convert to fraction form
    4,851.24/7,278.30 = 1,564.80/x
  3. Step 3: Cross multiply
    4,851.24x = 7,278.30 × 1,564.80
  4. Step 4: Simplify right side
    4,851.24x = 11,389,083.84
  5. Step 5: Solve for x
    x = 11,389,083.84/4,851.24
  6. Step 6: Final answer
    x = 2,347.66

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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.