Home / 7,079.36-10,619.28-1,885.24

Finding the Fourth Proportional to 7,079.36, 10,619.28 and 1,885.24

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Solution

The fourth proportional to 7,079.36, 10,619.28 and 1,885.24 is: 2,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.36 : 10,619.28 = 1,885.24 : x
  2. Step 2: Convert to fraction form
    7,079.36/10,619.28 = 1,885.24/x
  3. Step 3: Cross multiply
    7,079.36x = 10,619.28 × 1,885.24
  4. Step 4: Simplify right side
    7,079.36x = 20,019,891.43
  5. Step 5: Solve for x
    x = 20,019,891.43/7,079.36
  6. Step 6: Final answer
    x = 2,827.92

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Similar ratio
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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.