Home / 8,258.31-11,396.81-4,721.52

Finding the Fourth Proportional to 8,258.31, 11,396.81 and 4,721.52

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Solution

The fourth proportional to 8,258.31, 11,396.81 and 4,721.52 is: 6,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.31 : 11,396.81 = 4,721.52 : x
  2. Step 2: Convert to fraction form
    8,258.31/11,396.81 = 4,721.52/x
  3. Step 3: Cross multiply
    8,258.31x = 11,396.81 × 4,721.52
  4. Step 4: Simplify right side
    8,258.31x = 53,810,256.79
  5. Step 5: Solve for x
    x = 53,810,256.79/8,258.31
  6. Step 6: Final answer
    x = 6,515.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.