Home / 5,313.16-8,000.61-3,936.26

Finding the Fourth Proportional to 5,313.16, 8,000.61 and 3,936.26

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Solution

The fourth proportional to 5,313.16, 8,000.61 and 3,936.26 is: 5,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.16 : 8,000.61 = 3,936.26 : x
  2. Step 2: Convert to fraction form
    5,313.16/8,000.61 = 3,936.26/x
  3. Step 3: Cross multiply
    5,313.16x = 8,000.61 × 3,936.26
  4. Step 4: Simplify right side
    5,313.16x = 31,492,486.36
  5. Step 5: Solve for x
    x = 31,492,486.36/5,313.16
  6. Step 6: Final answer
    x = 5,927.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.