Home / 7,237.70-10,860.15-2,855.30

Finding the Fourth Proportional to 7,237.70, 10,860.15 and 2,855.30

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Solution

The fourth proportional to 7,237.70, 10,860.15 and 2,855.30 is: 4,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.70 : 10,860.15 = 2,855.30 : x
  2. Step 2: Convert to fraction form
    7,237.70/10,860.15 = 2,855.30/x
  3. Step 3: Cross multiply
    7,237.70x = 10,860.15 × 2,855.30
  4. Step 4: Simplify right side
    7,237.70x = 31,008,986.30
  5. Step 5: Solve for x
    x = 31,008,986.30/7,237.70
  6. Step 6: Final answer
    x = 4,284.37

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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.