Home / 9,160.94-13,742.40-2,918.74

Finding the Fourth Proportional to 9,160.94, 13,742.40 and 2,918.74

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Solution

The fourth proportional to 9,160.94, 13,742.40 and 2,918.74 is: 4,378.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.94 : 13,742.40 = 2,918.74 : x
  2. Step 2: Convert to fraction form
    9,160.94/13,742.40 = 2,918.74/x
  3. Step 3: Cross multiply
    9,160.94x = 13,742.40 × 2,918.74
  4. Step 4: Simplify right side
    9,160.94x = 40,110,492.58
  5. Step 5: Solve for x
    x = 40,110,492.58/9,160.94
  6. Step 6: Final answer
    x = 4,378.43

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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.