Home / 5,115.24-7,673.16-1,828.68

Finding the Fourth Proportional to 5,115.24, 7,673.16 and 1,828.68

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Solution

The fourth proportional to 5,115.24, 7,673.16 and 1,828.68 is: 2,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.24 : 7,673.16 = 1,828.68 : x
  2. Step 2: Convert to fraction form
    5,115.24/7,673.16 = 1,828.68/x
  3. Step 3: Cross multiply
    5,115.24x = 7,673.16 × 1,828.68
  4. Step 4: Simplify right side
    5,115.24x = 14,031,754.23
  5. Step 5: Solve for x
    x = 14,031,754.23/5,115.24
  6. Step 6: Final answer
    x = 2,743.13

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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.