Home / 5,185.10-7,777.68-2,063.72

Finding the Fourth Proportional to 5,185.10, 7,777.68 and 2,063.72

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Solution

The fourth proportional to 5,185.10, 7,777.68 and 2,063.72 is: 3,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.10 : 7,777.68 = 2,063.72 : x
  2. Step 2: Convert to fraction form
    5,185.10/7,777.68 = 2,063.72/x
  3. Step 3: Cross multiply
    5,185.10x = 7,777.68 × 2,063.72
  4. Step 4: Simplify right side
    5,185.10x = 16,050,953.77
  5. Step 5: Solve for x
    x = 16,050,953.77/5,185.10
  6. Step 6: Final answer
    x = 3,095.59

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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.