Home / 7,126.45-9,828.11-5,935.39

Finding the Fourth Proportional to 7,126.45, 9,828.11 and 5,935.39

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Solution

The fourth proportional to 7,126.45, 9,828.11 and 5,935.39 is: 8,185.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.45 : 9,828.11 = 5,935.39 : x
  2. Step 2: Convert to fraction form
    7,126.45/9,828.11 = 5,935.39/x
  3. Step 3: Cross multiply
    7,126.45x = 9,828.11 × 5,935.39
  4. Step 4: Simplify right side
    7,126.45x = 58,333,665.81
  5. Step 5: Solve for x
    x = 58,333,665.81/7,126.45
  6. Step 6: Final answer
    x = 8,185.52

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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.