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Finding the Fourth Proportional to 7,020.54, 10,530.11 and 1,826.42

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Solution

The fourth proportional to 7,020.54, 10,530.11 and 1,826.42 is: 2,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.54 : 10,530.11 = 1,826.42 : x
  2. Step 2: Convert to fraction form
    7,020.54/10,530.11 = 1,826.42/x
  3. Step 3: Cross multiply
    7,020.54x = 10,530.11 × 1,826.42
  4. Step 4: Simplify right side
    7,020.54x = 19,232,355.42
  5. Step 5: Solve for x
    x = 19,232,355.42/7,020.54
  6. Step 6: Final answer
    x = 2,739.44

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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.