Home / 7,009.34-10,514.22-1,815.23

Finding the Fourth Proportional to 7,009.34, 10,514.22 and 1,815.23

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Solution

The fourth proportional to 7,009.34, 10,514.22 and 1,815.23 is: 2,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.34 : 10,514.22 = 1,815.23 : x
  2. Step 2: Convert to fraction form
    7,009.34/10,514.22 = 1,815.23/x
  3. Step 3: Cross multiply
    7,009.34x = 10,514.22 × 1,815.23
  4. Step 4: Simplify right side
    7,009.34x = 19,085,727.57
  5. Step 5: Solve for x
    x = 19,085,727.57/7,009.34
  6. Step 6: Final answer
    x = 2,722.90

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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.