Home / 7,911.31-11,869.44-2,364.88

Finding the Fourth Proportional to 7,911.31, 11,869.44 and 2,364.88

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Solution

The fourth proportional to 7,911.31, 11,869.44 and 2,364.88 is: 3,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.31 : 11,869.44 = 2,364.88 : x
  2. Step 2: Convert to fraction form
    7,911.31/11,869.44 = 2,364.88/x
  3. Step 3: Cross multiply
    7,911.31x = 11,869.44 × 2,364.88
  4. Step 4: Simplify right side
    7,911.31x = 28,069,801.27
  5. Step 5: Solve for x
    x = 28,069,801.27/7,911.31
  6. Step 6: Final answer
    x = 3,548.06

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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.