Home / 5,239.61-7,860.29-2,431.26

Finding the Fourth Proportional to 5,239.61, 7,860.29 and 2,431.26

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Solution

The fourth proportional to 5,239.61, 7,860.29 and 2,431.26 is: 3,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.61 : 7,860.29 = 2,431.26 : x
  2. Step 2: Convert to fraction form
    5,239.61/7,860.29 = 2,431.26/x
  3. Step 3: Cross multiply
    5,239.61x = 7,860.29 × 2,431.26
  4. Step 4: Simplify right side
    5,239.61x = 19,110,408.67
  5. Step 5: Solve for x
    x = 19,110,408.67/5,239.61
  6. Step 6: Final answer
    x = 3,647.30

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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.