Home / 7,039.07-10,556.03-2,107.05

Finding the Fourth Proportional to 7,039.07, 10,556.03 and 2,107.05

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Solution

The fourth proportional to 7,039.07, 10,556.03 and 2,107.05 is: 3,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.07 : 10,556.03 = 2,107.05 : x
  2. Step 2: Convert to fraction form
    7,039.07/10,556.03 = 2,107.05/x
  3. Step 3: Cross multiply
    7,039.07x = 10,556.03 × 2,107.05
  4. Step 4: Simplify right side
    7,039.07x = 22,242,088.28
  5. Step 5: Solve for x
    x = 22,242,088.28/7,039.07
  6. Step 6: Final answer
    x = 3,159.80

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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.