Home / 4,309.48-6,462.84-1,387.09

Finding the Fourth Proportional to 4,309.48, 6,462.84 and 1,387.09

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Solution

The fourth proportional to 4,309.48, 6,462.84 and 1,387.09 is: 2,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.48 : 6,462.84 = 1,387.09 : x
  2. Step 2: Convert to fraction form
    4,309.48/6,462.84 = 1,387.09/x
  3. Step 3: Cross multiply
    4,309.48x = 6,462.84 × 1,387.09
  4. Step 4: Simplify right side
    4,309.48x = 8,964,540.74
  5. Step 5: Solve for x
    x = 8,964,540.74/4,309.48
  6. Step 6: Final answer
    x = 2,080.19

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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.