Home / 7,636.14-10,537.32-4,278.48

Finding the Fourth Proportional to 7,636.14, 10,537.32 and 4,278.48

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Solution

The fourth proportional to 7,636.14, 10,537.32 and 4,278.48 is: 5,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.14 : 10,537.32 = 4,278.48 : x
  2. Step 2: Convert to fraction form
    7,636.14/10,537.32 = 4,278.48/x
  3. Step 3: Cross multiply
    7,636.14x = 10,537.32 × 4,278.48
  4. Step 4: Simplify right side
    7,636.14x = 45,083,712.87
  5. Step 5: Solve for x
    x = 45,083,712.87/7,636.14
  6. Step 6: Final answer
    x = 5,903.99

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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.