Home / 7,931.43-11,897.73-2,088

Finding the Fourth Proportional to 7,931.43, 11,897.73 and 2,088

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Solution

The fourth proportional to 7,931.43, 11,897.73 and 2,088 is: 3,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.43 : 11,897.73 = 2,088 : x
  2. Step 2: Convert to fraction form
    7,931.43/11,897.73 = 2,088/x
  3. Step 3: Cross multiply
    7,931.43x = 11,897.73 × 2,088
  4. Step 4: Simplify right side
    7,931.43x = 24,842,460.24
  5. Step 5: Solve for x
    x = 24,842,460.24/7,931.43
  6. Step 6: Final answer
    x = 3,132.15

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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.