Home / 5,225.52-7,838.31-1,329.93

Finding the Fourth Proportional to 5,225.52, 7,838.31 and 1,329.93

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Solution

The fourth proportional to 5,225.52, 7,838.31 and 1,329.93 is: 1,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.52 : 7,838.31 = 1,329.93 : x
  2. Step 2: Convert to fraction form
    5,225.52/7,838.31 = 1,329.93/x
  3. Step 3: Cross multiply
    5,225.52x = 7,838.31 × 1,329.93
  4. Step 4: Simplify right side
    5,225.52x = 10,424,403.62
  5. Step 5: Solve for x
    x = 10,424,403.62/5,225.52
  6. Step 6: Final answer
    x = 1,994.90

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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.