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Finding the Fourth Proportional to 6,903, 10,361.52 and 5,182.56

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Solution

The fourth proportional to 6,903, 10,361.52 and 5,182.56 is: 7,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903 : 10,361.52 = 5,182.56 : x
  2. Step 2: Convert to fraction form
    6,903/10,361.52 = 5,182.56/x
  3. Step 3: Cross multiply
    6,903x = 10,361.52 × 5,182.56
  4. Step 4: Simplify right side
    6,903x = 53,699,199.09
  5. Step 5: Solve for x
    x = 53,699,199.09/6,903
  6. Step 6: Final answer
    x = 7,779.11

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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.