Home / 7,936.81-11,875.43-4,935.76

Finding the Fourth Proportional to 7,936.81, 11,875.43 and 4,935.76

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Solution

The fourth proportional to 7,936.81, 11,875.43 and 4,935.76 is: 7,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.81 : 11,875.43 = 4,935.76 : x
  2. Step 2: Convert to fraction form
    7,936.81/11,875.43 = 4,935.76/x
  3. Step 3: Cross multiply
    7,936.81x = 11,875.43 × 4,935.76
  4. Step 4: Simplify right side
    7,936.81x = 58,614,255.03
  5. Step 5: Solve for x
    x = 58,614,255.03/7,936.81
  6. Step 6: Final answer
    x = 7,385.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.