Home / 5,379.23-8,070.14-1,868.73

Finding the Fourth Proportional to 5,379.23, 8,070.14 and 1,868.73

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Solution

The fourth proportional to 5,379.23, 8,070.14 and 1,868.73 is: 2,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.23 : 8,070.14 = 1,868.73 : x
  2. Step 2: Convert to fraction form
    5,379.23/8,070.14 = 1,868.73/x
  3. Step 3: Cross multiply
    5,379.23x = 8,070.14 × 1,868.73
  4. Step 4: Simplify right side
    5,379.23x = 15,080,874.71
  5. Step 5: Solve for x
    x = 15,080,874.71/5,379.23
  6. Step 6: Final answer
    x = 2,803.54

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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.