Home / 10,359.28-15,535.68-3,783.97

Finding the Fourth Proportional to 10,359.28, 15,535.68 and 3,783.97

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Solution

The fourth proportional to 10,359.28, 15,535.68 and 3,783.97 is: 5,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.28 : 15,535.68 = 3,783.97 : x
  2. Step 2: Convert to fraction form
    10,359.28/15,535.68 = 3,783.97/x
  3. Step 3: Cross multiply
    10,359.28x = 15,535.68 × 3,783.97
  4. Step 4: Simplify right side
    10,359.28x = 58,786,547.05
  5. Step 5: Solve for x
    x = 58,786,547.05/10,359.28
  6. Step 6: Final answer
    x = 5,674.77

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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.