Home / 5,237.32-7,855.86-1,539.47

Finding the Fourth Proportional to 5,237.32, 7,855.86 and 1,539.47

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Solution

The fourth proportional to 5,237.32, 7,855.86 and 1,539.47 is: 2,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.32 : 7,855.86 = 1,539.47 : x
  2. Step 2: Convert to fraction form
    5,237.32/7,855.86 = 1,539.47/x
  3. Step 3: Cross multiply
    5,237.32x = 7,855.86 × 1,539.47
  4. Step 4: Simplify right side
    5,237.32x = 12,093,860.79
  5. Step 5: Solve for x
    x = 12,093,860.79/5,237.32
  6. Step 6: Final answer
    x = 2,309.17

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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.