Home / 7,379.85-10,179.63-4,507.23

Finding the Fourth Proportional to 7,379.85, 10,179.63 and 4,507.23

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Solution

The fourth proportional to 7,379.85, 10,179.63 and 4,507.23 is: 6,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.85 : 10,179.63 = 4,507.23 : x
  2. Step 2: Convert to fraction form
    7,379.85/10,179.63 = 4,507.23/x
  3. Step 3: Cross multiply
    7,379.85x = 10,179.63 × 4,507.23
  4. Step 4: Simplify right side
    7,379.85x = 45,881,933.72
  5. Step 5: Solve for x
    x = 45,881,933.72/7,379.85
  6. Step 6: Final answer
    x = 6,217.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.