Home / 10,359.90-15,535.80-3,782.70

Finding the Fourth Proportional to 10,359.90, 15,535.80 and 3,782.70

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Solution

The fourth proportional to 10,359.90, 15,535.80 and 3,782.70 is: 5,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.90 : 15,535.80 = 3,782.70 : x
  2. Step 2: Convert to fraction form
    10,359.90/15,535.80 = 3,782.70/x
  3. Step 3: Cross multiply
    10,359.90x = 15,535.80 × 3,782.70
  4. Step 4: Simplify right side
    10,359.90x = 58,767,270.66
  5. Step 5: Solve for x
    x = 58,767,270.66/10,359.90
  6. Step 6: Final answer
    x = 5,672.57

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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.