Home / 4,324.64-6,486.96-1,729.40

Finding the Fourth Proportional to 4,324.64, 6,486.96 and 1,729.40

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Solution

The fourth proportional to 4,324.64, 6,486.96 and 1,729.40 is: 2,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.64 : 6,486.96 = 1,729.40 : x
  2. Step 2: Convert to fraction form
    4,324.64/6,486.96 = 1,729.40/x
  3. Step 3: Cross multiply
    4,324.64x = 6,486.96 × 1,729.40
  4. Step 4: Simplify right side
    4,324.64x = 11,218,554.30
  5. Step 5: Solve for x
    x = 11,218,554.30/4,324.64
  6. Step 6: Final answer
    x = 2,594.10

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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.