Home / 3,862.13-5,792.31-1,089.07

Finding the Fourth Proportional to 3,862.13, 5,792.31 and 1,089.07

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Solution

The fourth proportional to 3,862.13, 5,792.31 and 1,089.07 is: 1,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.13 : 5,792.31 = 1,089.07 : x
  2. Step 2: Convert to fraction form
    3,862.13/5,792.31 = 1,089.07/x
  3. Step 3: Cross multiply
    3,862.13x = 5,792.31 × 1,089.07
  4. Step 4: Simplify right side
    3,862.13x = 6,308,216.57
  5. Step 5: Solve for x
    x = 6,308,216.57/3,862.13
  6. Step 6: Final answer
    x = 1,633.35

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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.