Home / 5,416.11-8,125.19-1,717.35

Finding the Fourth Proportional to 5,416.11, 8,125.19 and 1,717.35

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Solution

The fourth proportional to 5,416.11, 8,125.19 and 1,717.35 is: 2,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.11 : 8,125.19 = 1,717.35 : x
  2. Step 2: Convert to fraction form
    5,416.11/8,125.19 = 1,717.35/x
  3. Step 3: Cross multiply
    5,416.11x = 8,125.19 × 1,717.35
  4. Step 4: Simplify right side
    5,416.11x = 13,953,786.46
  5. Step 5: Solve for x
    x = 13,953,786.46/5,416.11
  6. Step 6: Final answer
    x = 2,576.35

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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.