Home / 10,258.47-15,390.48-3,238.77

Finding the Fourth Proportional to 10,258.47, 15,390.48 and 3,238.77

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Solution

The fourth proportional to 10,258.47, 15,390.48 and 3,238.77 is: 4,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.47 : 15,390.48 = 3,238.77 : x
  2. Step 2: Convert to fraction form
    10,258.47/15,390.48 = 3,238.77/x
  3. Step 3: Cross multiply
    10,258.47x = 15,390.48 × 3,238.77
  4. Step 4: Simplify right side
    10,258.47x = 49,846,224.91
  5. Step 5: Solve for x
    x = 49,846,224.91/10,258.47
  6. Step 6: Final answer
    x = 4,859.03

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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.