Home / 7,009.36-10,515.69-2,079.04

Finding the Fourth Proportional to 7,009.36, 10,515.69 and 2,079.04

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Solution

The fourth proportional to 7,009.36, 10,515.69 and 2,079.04 is: 3,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.36 : 10,515.69 = 2,079.04 : x
  2. Step 2: Convert to fraction form
    7,009.36/10,515.69 = 2,079.04/x
  3. Step 3: Cross multiply
    7,009.36x = 10,515.69 × 2,079.04
  4. Step 4: Simplify right side
    7,009.36x = 21,862,540.14
  5. Step 5: Solve for x
    x = 21,862,540.14/7,009.36
  6. Step 6: Final answer
    x = 3,119.05

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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.