Home / 7,473.26-10,312.70-4,115.96

Finding the Fourth Proportional to 7,473.26, 10,312.70 and 4,115.96

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Solution

The fourth proportional to 7,473.26, 10,312.70 and 4,115.96 is: 5,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.26 : 10,312.70 = 4,115.96 : x
  2. Step 2: Convert to fraction form
    7,473.26/10,312.70 = 4,115.96/x
  3. Step 3: Cross multiply
    7,473.26x = 10,312.70 × 4,115.96
  4. Step 4: Simplify right side
    7,473.26x = 42,446,660.69
  5. Step 5: Solve for x
    x = 42,446,660.69/7,473.26
  6. Step 6: Final answer
    x = 5,679.81

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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.