Home / 9,110.26-13,664.31-2,870.02

Finding the Fourth Proportional to 9,110.26, 13,664.31 and 2,870.02

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Solution

The fourth proportional to 9,110.26, 13,664.31 and 2,870.02 is: 4,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.26 : 13,664.31 = 2,870.02 : x
  2. Step 2: Convert to fraction form
    9,110.26/13,664.31 = 2,870.02/x
  3. Step 3: Cross multiply
    9,110.26x = 13,664.31 × 2,870.02
  4. Step 4: Simplify right side
    9,110.26x = 39,216,842.99
  5. Step 5: Solve for x
    x = 39,216,842.99/9,110.26
  6. Step 6: Final answer
    x = 4,304.69

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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.