Home / 5,614.20-8,421.84-1,717.56

Finding the Fourth Proportional to 5,614.20, 8,421.84 and 1,717.56

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Solution

The fourth proportional to 5,614.20, 8,421.84 and 1,717.56 is: 2,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.20 : 8,421.84 = 1,717.56 : x
  2. Step 2: Convert to fraction form
    5,614.20/8,421.84 = 1,717.56/x
  3. Step 3: Cross multiply
    5,614.20x = 8,421.84 × 1,717.56
  4. Step 4: Simplify right side
    5,614.20x = 14,465,015.51
  5. Step 5: Solve for x
    x = 14,465,015.51/5,614.20
  6. Step 6: Final answer
    x = 2,576.51

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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.