Home / 4,666.38-6,999.66-1,379.55

Finding the Fourth Proportional to 4,666.38, 6,999.66 and 1,379.55

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Solution

The fourth proportional to 4,666.38, 6,999.66 and 1,379.55 is: 2,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.38 : 6,999.66 = 1,379.55 : x
  2. Step 2: Convert to fraction form
    4,666.38/6,999.66 = 1,379.55/x
  3. Step 3: Cross multiply
    4,666.38x = 6,999.66 × 1,379.55
  4. Step 4: Simplify right side
    4,666.38x = 9,656,380.95
  5. Step 5: Solve for x
    x = 9,656,380.95/4,666.38
  6. Step 6: Final answer
    x = 2,069.35

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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.