Home / 7,921.06-11,883.58-2,374.40

Finding the Fourth Proportional to 7,921.06, 11,883.58 and 2,374.40

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Solution

The fourth proportional to 7,921.06, 11,883.58 and 2,374.40 is: 3,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.06 : 11,883.58 = 2,374.40 : x
  2. Step 2: Convert to fraction form
    7,921.06/11,883.58 = 2,374.40/x
  3. Step 3: Cross multiply
    7,921.06x = 11,883.58 × 2,374.40
  4. Step 4: Simplify right side
    7,921.06x = 28,216,372.35
  5. Step 5: Solve for x
    x = 28,216,372.35/7,921.06
  6. Step 6: Final answer
    x = 3,562.20

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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.