Home / 7,323.86-10,986.60-2,130.14

Finding the Fourth Proportional to 7,323.86, 10,986.60 and 2,130.14

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Solution

The fourth proportional to 7,323.86, 10,986.60 and 2,130.14 is: 3,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.86 : 10,986.60 = 2,130.14 : x
  2. Step 2: Convert to fraction form
    7,323.86/10,986.60 = 2,130.14/x
  3. Step 3: Cross multiply
    7,323.86x = 10,986.60 × 2,130.14
  4. Step 4: Simplify right side
    7,323.86x = 23,402,996.12
  5. Step 5: Solve for x
    x = 23,402,996.12/7,323.86
  6. Step 6: Final answer
    x = 3,195.45

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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.