Home / 4,309.06-6,463.59-1,387.36

Finding the Fourth Proportional to 4,309.06, 6,463.59 and 1,387.36

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Solution

The fourth proportional to 4,309.06, 6,463.59 and 1,387.36 is: 2,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.06 : 6,463.59 = 1,387.36 : x
  2. Step 2: Convert to fraction form
    4,309.06/6,463.59 = 1,387.36/x
  3. Step 3: Cross multiply
    4,309.06x = 6,463.59 × 1,387.36
  4. Step 4: Simplify right side
    4,309.06x = 8,967,326.22
  5. Step 5: Solve for x
    x = 8,967,326.22/4,309.06
  6. Step 6: Final answer
    x = 2,081.04

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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.