Home / 5,618.88-8,429.76-2,541.12

Finding the Fourth Proportional to 5,618.88, 8,429.76 and 2,541.12

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Solution

The fourth proportional to 5,618.88, 8,429.76 and 2,541.12 is: 3,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.88 : 8,429.76 = 2,541.12 : x
  2. Step 2: Convert to fraction form
    5,618.88/8,429.76 = 2,541.12/x
  3. Step 3: Cross multiply
    5,618.88x = 8,429.76 × 2,541.12
  4. Step 4: Simplify right side
    5,618.88x = 21,421,031.73
  5. Step 5: Solve for x
    x = 21,421,031.73/5,618.88
  6. Step 6: Final answer
    x = 3,812.33

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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.