Home / 7,873.40-11,812.04-2,326.72

Finding the Fourth Proportional to 7,873.40, 11,812.04 and 2,326.72

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Solution

The fourth proportional to 7,873.40, 11,812.04 and 2,326.72 is: 3,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.40 : 11,812.04 = 2,326.72 : x
  2. Step 2: Convert to fraction form
    7,873.40/11,812.04 = 2,326.72/x
  3. Step 3: Cross multiply
    7,873.40x = 11,812.04 × 2,326.72
  4. Step 4: Simplify right side
    7,873.40x = 27,483,321.57
  5. Step 5: Solve for x
    x = 27,483,321.57/7,873.40
  6. Step 6: Final answer
    x = 3,490.66

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1.5x scale

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.