Home / 7,020.33-10,530.49-1,826.20

Finding the Fourth Proportional to 7,020.33, 10,530.49 and 1,826.20

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Solution

The fourth proportional to 7,020.33, 10,530.49 and 1,826.20 is: 2,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.33 : 10,530.49 = 1,826.20 : x
  2. Step 2: Convert to fraction form
    7,020.33/10,530.49 = 1,826.20/x
  3. Step 3: Cross multiply
    7,020.33x = 10,530.49 × 1,826.20
  4. Step 4: Simplify right side
    7,020.33x = 19,230,780.84
  5. Step 5: Solve for x
    x = 19,230,780.84/7,020.33
  6. Step 6: Final answer
    x = 2,739.30

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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.