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Finding the Fourth Proportional to 6,321.58, 9,482.00 and 1,939.07

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Solution

The fourth proportional to 6,321.58, 9,482.00 and 1,939.07 is: 2,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.58 : 9,482.00 = 1,939.07 : x
  2. Step 2: Convert to fraction form
    6,321.58/9,482.00 = 1,939.07/x
  3. Step 3: Cross multiply
    6,321.58x = 9,482.00 × 1,939.07
  4. Step 4: Simplify right side
    6,321.58x = 18,386,275.75
  5. Step 5: Solve for x
    x = 18,386,275.75/6,321.58
  6. Step 6: Final answer
    x = 2,908.49

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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.