Home / 8,586.39-11,845.50-5,184.80

Finding the Fourth Proportional to 8,586.39, 11,845.50 and 5,184.80

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Solution

The fourth proportional to 8,586.39, 11,845.50 and 5,184.80 is: 7,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.39 : 11,845.50 = 5,184.80 : x
  2. Step 2: Convert to fraction form
    8,586.39/11,845.50 = 5,184.80/x
  3. Step 3: Cross multiply
    8,586.39x = 11,845.50 × 5,184.80
  4. Step 4: Simplify right side
    8,586.39x = 61,416,548.40
  5. Step 5: Solve for x
    x = 61,416,548.40/8,586.39
  6. Step 6: Final answer
    x = 7,152.78

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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.