Home / 6,389.24-9,587.68-2,691.22

Finding the Fourth Proportional to 6,389.24, 9,587.68 and 2,691.22

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Solution

The fourth proportional to 6,389.24, 9,587.68 and 2,691.22 is: 4,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.24 : 9,587.68 = 2,691.22 : x
  2. Step 2: Convert to fraction form
    6,389.24/9,587.68 = 2,691.22/x
  3. Step 3: Cross multiply
    6,389.24x = 9,587.68 × 2,691.22
  4. Step 4: Simplify right side
    6,389.24x = 25,802,556.17
  5. Step 5: Solve for x
    x = 25,802,556.17/6,389.24
  6. Step 6: Final answer
    x = 4,038.44

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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.