Home / 5,818.28-8,029.10-3,165.75

Finding the Fourth Proportional to 5,818.28, 8,029.10 and 3,165.75

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Solution

The fourth proportional to 5,818.28, 8,029.10 and 3,165.75 is: 4,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.28 : 8,029.10 = 3,165.75 : x
  2. Step 2: Convert to fraction form
    5,818.28/8,029.10 = 3,165.75/x
  3. Step 3: Cross multiply
    5,818.28x = 8,029.10 × 3,165.75
  4. Step 4: Simplify right side
    5,818.28x = 25,418,131.24
  5. Step 5: Solve for x
    x = 25,418,131.24/5,818.28
  6. Step 6: Final answer
    x = 4,368.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.