Home / 8,415.77-11,611.60-5,348.50

Finding the Fourth Proportional to 8,415.77, 11,611.60 and 5,348.50

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Solution

The fourth proportional to 8,415.77, 11,611.60 and 5,348.50 is: 7,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.77 : 11,611.60 = 5,348.50 : x
  2. Step 2: Convert to fraction form
    8,415.77/11,611.60 = 5,348.50/x
  3. Step 3: Cross multiply
    8,415.77x = 11,611.60 × 5,348.50
  4. Step 4: Simplify right side
    8,415.77x = 62,104,630.29
  5. Step 5: Solve for x
    x = 62,104,630.29/8,415.77
  6. Step 6: Final answer
    x = 7,379.56

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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.