Home / 4,032-5,564.16-2,790.72

Finding the Fourth Proportional to 4,032, 5,564.16 and 2,790.72

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Solution

The fourth proportional to 4,032, 5,564.16 and 2,790.72 is: 3,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,032 : 5,564.16 = 2,790.72 : x
  2. Step 2: Convert to fraction form
    4,032/5,564.16 = 2,790.72/x
  3. Step 3: Cross multiply
    4,032x = 5,564.16 × 2,790.72
  4. Step 4: Simplify right side
    4,032x = 15,528,012.60
  5. Step 5: Solve for x
    x = 15,528,012.60/4,032
  6. Step 6: Final answer
    x = 3,851.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.