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Finding the Fourth Proportional to 8,273.70, 12,412.23 and 4,810.14

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Solution

The fourth proportional to 8,273.70, 12,412.23 and 4,810.14 is: 7,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.70 : 12,412.23 = 4,810.14 : x
  2. Step 2: Convert to fraction form
    8,273.70/12,412.23 = 4,810.14/x
  3. Step 3: Cross multiply
    8,273.70x = 12,412.23 × 4,810.14
  4. Step 4: Simplify right side
    8,273.70x = 59,704,564.01
  5. Step 5: Solve for x
    x = 59,704,564.01/8,273.70
  6. Step 6: Final answer
    x = 7,216.19

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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.