Home / 5,056-7,578.80-1,935.26

Finding the Fourth Proportional to 5,056, 7,578.80 and 1,935.26

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Solution

The fourth proportional to 5,056, 7,578.80 and 1,935.26 is: 2,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056 : 7,578.80 = 1,935.26 : x
  2. Step 2: Convert to fraction form
    5,056/7,578.80 = 1,935.26/x
  3. Step 3: Cross multiply
    5,056x = 7,578.80 × 1,935.26
  4. Step 4: Simplify right side
    5,056x = 14,666,948.49
  5. Step 5: Solve for x
    x = 14,666,948.49/5,056
  6. Step 6: Final answer
    x = 2,900.90

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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.