Home / 9,112.34-13,668.52-3,917

Finding the Fourth Proportional to 9,112.34, 13,668.52 and 3,917

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Solution

The fourth proportional to 9,112.34, 13,668.52 and 3,917 is: 5,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.34 : 13,668.52 = 3,917 : x
  2. Step 2: Convert to fraction form
    9,112.34/13,668.52 = 3,917/x
  3. Step 3: Cross multiply
    9,112.34x = 13,668.52 × 3,917
  4. Step 4: Simplify right side
    9,112.34x = 53,539,592.84
  5. Step 5: Solve for x
    x = 53,539,592.84/9,112.34
  6. Step 6: Final answer
    x = 5,875.50

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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.