Home / 7,079.38-10,619.68-1,885.26

Finding the Fourth Proportional to 7,079.38, 10,619.68 and 1,885.26

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Solution

The fourth proportional to 7,079.38, 10,619.68 and 1,885.26 is: 2,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.38 : 10,619.68 = 1,885.26 : x
  2. Step 2: Convert to fraction form
    7,079.38/10,619.68 = 1,885.26/x
  3. Step 3: Cross multiply
    7,079.38x = 10,619.68 × 1,885.26
  4. Step 4: Simplify right side
    7,079.38x = 20,020,857.92
  5. Step 5: Solve for x
    x = 20,020,857.92/7,079.38
  6. Step 6: Final answer
    x = 2,828.05

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Double scale
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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.