Home / 9,085.50-13,628.25-2,929.50

Finding the Fourth Proportional to 9,085.50, 13,628.25 and 2,929.50

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Solution

The fourth proportional to 9,085.50, 13,628.25 and 2,929.50 is: 4,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.50 : 13,628.25 = 2,929.50 : x
  2. Step 2: Convert to fraction form
    9,085.50/13,628.25 = 2,929.50/x
  3. Step 3: Cross multiply
    9,085.50x = 13,628.25 × 2,929.50
  4. Step 4: Simplify right side
    9,085.50x = 39,923,958.38
  5. Step 5: Solve for x
    x = 39,923,958.38/9,085.50
  6. Step 6: Final answer
    x = 4,394.25

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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.