Home / 5,818.92-8,728.22-1,436.28

Finding the Fourth Proportional to 5,818.92, 8,728.22 and 1,436.28

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Solution

The fourth proportional to 5,818.92, 8,728.22 and 1,436.28 is: 2,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.92 : 8,728.22 = 1,436.28 : x
  2. Step 2: Convert to fraction form
    5,818.92/8,728.22 = 1,436.28/x
  3. Step 3: Cross multiply
    5,818.92x = 8,728.22 × 1,436.28
  4. Step 4: Simplify right side
    5,818.92x = 12,536,167.82
  5. Step 5: Solve for x
    x = 12,536,167.82/5,818.92
  6. Step 6: Final answer
    x = 2,154.38

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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.