Home / 7,687.20-11,525.68-3,303.52

Finding the Fourth Proportional to 7,687.20, 11,525.68 and 3,303.52

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Solution

The fourth proportional to 7,687.20, 11,525.68 and 3,303.52 is: 4,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.20 : 11,525.68 = 3,303.52 : x
  2. Step 2: Convert to fraction form
    7,687.20/11,525.68 = 3,303.52/x
  3. Step 3: Cross multiply
    7,687.20x = 11,525.68 × 3,303.52
  4. Step 4: Simplify right side
    7,687.20x = 38,075,314.39
  5. Step 5: Solve for x
    x = 38,075,314.39/7,687.20
  6. Step 6: Final answer
    x = 4,953.08

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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.