Home / 6,601.88-9,112.48-4,084.40

Finding the Fourth Proportional to 6,601.88, 9,112.48 and 4,084.40

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Solution

The fourth proportional to 6,601.88, 9,112.48 and 4,084.40 is: 5,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.88 : 9,112.48 = 4,084.40 : x
  2. Step 2: Convert to fraction form
    6,601.88/9,112.48 = 4,084.40/x
  3. Step 3: Cross multiply
    6,601.88x = 9,112.48 × 4,084.40
  4. Step 4: Simplify right side
    6,601.88x = 37,219,013.31
  5. Step 5: Solve for x
    x = 37,219,013.31/6,601.88
  6. Step 6: Final answer
    x = 5,637.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.