Home / 5,818.70-8,727.95-1,436.20

Finding the Fourth Proportional to 5,818.70, 8,727.95 and 1,436.20

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Solution

The fourth proportional to 5,818.70, 8,727.95 and 1,436.20 is: 2,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.70 : 8,727.95 = 1,436.20 : x
  2. Step 2: Convert to fraction form
    5,818.70/8,727.95 = 1,436.20/x
  3. Step 3: Cross multiply
    5,818.70x = 8,727.95 × 1,436.20
  4. Step 4: Simplify right side
    5,818.70x = 12,535,063.56
  5. Step 5: Solve for x
    x = 12,535,063.56/5,818.70
  6. Step 6: Final answer
    x = 2,154.27

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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.