Home / 7,921.49-11,882.09-2,374.74

Finding the Fourth Proportional to 7,921.49, 11,882.09 and 2,374.74

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Solution

The fourth proportional to 7,921.49, 11,882.09 and 2,374.74 is: 3,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.49 : 11,882.09 = 2,374.74 : x
  2. Step 2: Convert to fraction form
    7,921.49/11,882.09 = 2,374.74/x
  3. Step 3: Cross multiply
    7,921.49x = 11,882.09 × 2,374.74
  4. Step 4: Simplify right side
    7,921.49x = 28,216,880.34
  5. Step 5: Solve for x
    x = 28,216,880.34/7,921.49
  6. Step 6: Final answer
    x = 3,562.07

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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.