Home / 5,679.41-8,519.21-2,898.23

Finding the Fourth Proportional to 5,679.41, 8,519.21 and 2,898.23

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Solution

The fourth proportional to 5,679.41, 8,519.21 and 2,898.23 is: 4,347.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.41 : 8,519.21 = 2,898.23 : x
  2. Step 2: Convert to fraction form
    5,679.41/8,519.21 = 2,898.23/x
  3. Step 3: Cross multiply
    5,679.41x = 8,519.21 × 2,898.23
  4. Step 4: Simplify right side
    5,679.41x = 24,690,615.51
  5. Step 5: Solve for x
    x = 24,690,615.51/5,679.41
  6. Step 6: Final answer
    x = 4,347.39

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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.