Home / 4,326.20-6,490.14-1,729.40

Finding the Fourth Proportional to 4,326.20, 6,490.14 and 1,729.40

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Solution

The fourth proportional to 4,326.20, 6,490.14 and 1,729.40 is: 2,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.20 : 6,490.14 = 1,729.40 : x
  2. Step 2: Convert to fraction form
    4,326.20/6,490.14 = 1,729.40/x
  3. Step 3: Cross multiply
    4,326.20x = 6,490.14 × 1,729.40
  4. Step 4: Simplify right side
    4,326.20x = 11,224,048.12
  5. Step 5: Solve for x
    x = 11,224,048.12/4,326.20
  6. Step 6: Final answer
    x = 2,594.44

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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.