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Finding the Fourth Proportional to 7,030.30, 10,544.10 and 2,100.10

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Solution

The fourth proportional to 7,030.30, 10,544.10 and 2,100.10 is: 3,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.30 : 10,544.10 = 2,100.10 : x
  2. Step 2: Convert to fraction form
    7,030.30/10,544.10 = 2,100.10/x
  3. Step 3: Cross multiply
    7,030.30x = 10,544.10 × 2,100.10
  4. Step 4: Simplify right side
    7,030.30x = 22,143,664.41
  5. Step 5: Solve for x
    x = 22,143,664.41/7,030.30
  6. Step 6: Final answer
    x = 3,149.75

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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.