Home / 5,237.14-7,855.71-1,539.37

Finding the Fourth Proportional to 5,237.14, 7,855.71 and 1,539.37

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Solution

The fourth proportional to 5,237.14, 7,855.71 and 1,539.37 is: 2,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.14 : 7,855.71 = 1,539.37 : x
  2. Step 2: Convert to fraction form
    5,237.14/7,855.71 = 1,539.37/x
  3. Step 3: Cross multiply
    5,237.14x = 7,855.71 × 1,539.37
  4. Step 4: Simplify right side
    5,237.14x = 12,092,820.82
  5. Step 5: Solve for x
    x = 12,092,820.82/5,237.14
  6. Step 6: Final answer
    x = 2,309.05

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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.