Home / 7,635.70-10,537.32-4,278.66

Finding the Fourth Proportional to 7,635.70, 10,537.32 and 4,278.66

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Solution

The fourth proportional to 7,635.70, 10,537.32 and 4,278.66 is: 5,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.70 : 10,537.32 = 4,278.66 : x
  2. Step 2: Convert to fraction form
    7,635.70/10,537.32 = 4,278.66/x
  3. Step 3: Cross multiply
    7,635.70x = 10,537.32 × 4,278.66
  4. Step 4: Simplify right side
    7,635.70x = 45,085,609.59
  5. Step 5: Solve for x
    x = 45,085,609.59/7,635.70
  6. Step 6: Final answer
    x = 5,904.58

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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.