Home / 5,764.75-8,647.35-1,818.70

Finding the Fourth Proportional to 5,764.75, 8,647.35 and 1,818.70

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Solution

The fourth proportional to 5,764.75, 8,647.35 and 1,818.70 is: 2,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,764.75 : 8,647.35 = 1,818.70 : x
  2. Step 2: Convert to fraction form
    5,764.75/8,647.35 = 1,818.70/x
  3. Step 3: Cross multiply
    5,764.75x = 8,647.35 × 1,818.70
  4. Step 4: Simplify right side
    5,764.75x = 15,726,935.45
  5. Step 5: Solve for x
    x = 15,726,935.45/5,764.75
  6. Step 6: Final answer
    x = 2,728.12

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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.