Home / 7,009.16-10,513.38-2,078.84

Finding the Fourth Proportional to 7,009.16, 10,513.38 and 2,078.84

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Solution

The fourth proportional to 7,009.16, 10,513.38 and 2,078.84 is: 3,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.16 : 10,513.38 = 2,078.84 : x
  2. Step 2: Convert to fraction form
    7,009.16/10,513.38 = 2,078.84/x
  3. Step 3: Cross multiply
    7,009.16x = 10,513.38 × 2,078.84
  4. Step 4: Simplify right side
    7,009.16x = 21,855,634.88
  5. Step 5: Solve for x
    x = 21,855,634.88/7,009.16
  6. Step 6: Final answer
    x = 3,118.15

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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.