Home / 7,313.21-10,089.71-4,126.10

Finding the Fourth Proportional to 7,313.21, 10,089.71 and 4,126.10

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Solution

The fourth proportional to 7,313.21, 10,089.71 and 4,126.10 is: 5,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.21 : 10,089.71 = 4,126.10 : x
  2. Step 2: Convert to fraction form
    7,313.21/10,089.71 = 4,126.10/x
  3. Step 3: Cross multiply
    7,313.21x = 10,089.71 × 4,126.10
  4. Step 4: Simplify right side
    7,313.21x = 41,631,187.97
  5. Step 5: Solve for x
    x = 41,631,187.97/7,313.21
  6. Step 6: Final answer
    x = 5,692.61

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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.