Home / 10,582.34-15,880.80-4,745.48

Finding the Fourth Proportional to 10,582.34, 15,880.80 and 4,745.48

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Solution

The fourth proportional to 10,582.34, 15,880.80 and 4,745.48 is: 7,121.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,582.34 : 15,880.80 = 4,745.48 : x
  2. Step 2: Convert to fraction form
    10,582.34/15,880.80 = 4,745.48/x
  3. Step 3: Cross multiply
    10,582.34x = 15,880.80 × 4,745.48
  4. Step 4: Simplify right side
    10,582.34x = 75,362,018.78
  5. Step 5: Solve for x
    x = 75,362,018.78/10,582.34
  6. Step 6: Final answer
    x = 7,121.49

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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.