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Finding the Fourth Proportional to 6,606.68, 9,907.72 and 1,925.40

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Solution

The fourth proportional to 6,606.68, 9,907.72 and 1,925.40 is: 2,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.68 : 9,907.72 = 1,925.40 : x
  2. Step 2: Convert to fraction form
    6,606.68/9,907.72 = 1,925.40/x
  3. Step 3: Cross multiply
    6,606.68x = 9,907.72 × 1,925.40
  4. Step 4: Simplify right side
    6,606.68x = 19,076,324.09
  5. Step 5: Solve for x
    x = 19,076,324.09/6,606.68
  6. Step 6: Final answer
    x = 2,887.43

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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.