Home / 4,983.71-7,475.29-1,286.12

Finding the Fourth Proportional to 4,983.71, 7,475.29 and 1,286.12

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Solution

The fourth proportional to 4,983.71, 7,475.29 and 1,286.12 is: 1,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.71 : 7,475.29 = 1,286.12 : x
  2. Step 2: Convert to fraction form
    4,983.71/7,475.29 = 1,286.12/x
  3. Step 3: Cross multiply
    4,983.71x = 7,475.29 × 1,286.12
  4. Step 4: Simplify right side
    4,983.71x = 9,614,135.45
  5. Step 5: Solve for x
    x = 9,614,135.45/4,983.71
  6. Step 6: Final answer
    x = 1,929.11

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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.