Home / 7,021.65-10,532.37-2,091.32

Finding the Fourth Proportional to 7,021.65, 10,532.37 and 2,091.32

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Solution

The fourth proportional to 7,021.65, 10,532.37 and 2,091.32 is: 3,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.65 : 10,532.37 = 2,091.32 : x
  2. Step 2: Convert to fraction form
    7,021.65/10,532.37 = 2,091.32/x
  3. Step 3: Cross multiply
    7,021.65x = 10,532.37 × 2,091.32
  4. Step 4: Simplify right side
    7,021.65x = 22,026,556.03
  5. Step 5: Solve for x
    x = 22,026,556.03/7,021.65
  6. Step 6: Final answer
    x = 3,136.95

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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.