Home / 6,601.63-9,904.07-1,921.68

Finding the Fourth Proportional to 6,601.63, 9,904.07 and 1,921.68

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Solution

The fourth proportional to 6,601.63, 9,904.07 and 1,921.68 is: 2,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.63 : 9,904.07 = 1,921.68 : x
  2. Step 2: Convert to fraction form
    6,601.63/9,904.07 = 1,921.68/x
  3. Step 3: Cross multiply
    6,601.63x = 9,904.07 × 1,921.68
  4. Step 4: Simplify right side
    6,601.63x = 19,032,478.00
  5. Step 5: Solve for x
    x = 19,032,478.00/6,601.63
  6. Step 6: Final answer
    x = 2,883.00

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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.