Home / 8,359.44-11,543.70-5,380.50

Finding the Fourth Proportional to 8,359.44, 11,543.70 and 5,380.50

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Solution

The fourth proportional to 8,359.44, 11,543.70 and 5,380.50 is: 7,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.44 : 11,543.70 = 5,380.50 : x
  2. Step 2: Convert to fraction form
    8,359.44/11,543.70 = 5,380.50/x
  3. Step 3: Cross multiply
    8,359.44x = 11,543.70 × 5,380.50
  4. Step 4: Simplify right side
    8,359.44x = 62,110,877.85
  5. Step 5: Solve for x
    x = 62,110,877.85/8,359.44
  6. Step 6: Final answer
    x = 7,430.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.