Home / 9,281.09-13,920.15-2,705.74

Finding the Fourth Proportional to 9,281.09, 13,920.15 and 2,705.74

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Solution

The fourth proportional to 9,281.09, 13,920.15 and 2,705.74 is: 4,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.09 : 13,920.15 = 2,705.74 : x
  2. Step 2: Convert to fraction form
    9,281.09/13,920.15 = 2,705.74/x
  3. Step 3: Cross multiply
    9,281.09x = 13,920.15 × 2,705.74
  4. Step 4: Simplify right side
    9,281.09x = 37,664,237.06
  5. Step 5: Solve for x
    x = 37,664,237.06/9,281.09
  6. Step 6: Final answer
    x = 4,058.17

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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.