Home / 5,238.63-7,851.27-2,459.16

Finding the Fourth Proportional to 5,238.63, 7,851.27 and 2,459.16

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Solution

The fourth proportional to 5,238.63, 7,851.27 and 2,459.16 is: 3,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.63 : 7,851.27 = 2,459.16 : x
  2. Step 2: Convert to fraction form
    5,238.63/7,851.27 = 2,459.16/x
  3. Step 3: Cross multiply
    5,238.63x = 7,851.27 × 2,459.16
  4. Step 4: Simplify right side
    5,238.63x = 19,307,529.13
  5. Step 5: Solve for x
    x = 19,307,529.13/5,238.63
  6. Step 6: Final answer
    x = 3,685.61

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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.