Home / 9,148.80-13,705.76-5,241.28

Finding the Fourth Proportional to 9,148.80, 13,705.76 and 5,241.28

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Solution

The fourth proportional to 9,148.80, 13,705.76 and 5,241.28 is: 7,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.80 : 13,705.76 = 5,241.28 : x
  2. Step 2: Convert to fraction form
    9,148.80/13,705.76 = 5,241.28/x
  3. Step 3: Cross multiply
    9,148.80x = 13,705.76 × 5,241.28
  4. Step 4: Simplify right side
    9,148.80x = 71,835,725.77
  5. Step 5: Solve for x
    x = 71,835,725.77/9,148.80
  6. Step 6: Final answer
    x = 7,851.93

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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.