Home / 7,021.90-10,532.74-2,091.57

Finding the Fourth Proportional to 7,021.90, 10,532.74 and 2,091.57

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Solution

The fourth proportional to 7,021.90, 10,532.74 and 2,091.57 is: 3,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.90 : 10,532.74 = 2,091.57 : x
  2. Step 2: Convert to fraction form
    7,021.90/10,532.74 = 2,091.57/x
  3. Step 3: Cross multiply
    7,021.90x = 10,532.74 × 2,091.57
  4. Step 4: Simplify right side
    7,021.90x = 22,029,963.00
  5. Step 5: Solve for x
    x = 22,029,963.00/7,021.90
  6. Step 6: Final answer
    x = 3,137.32

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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.