Home / 8,085.45-11,157.13-4,548.59

Finding the Fourth Proportional to 8,085.45, 11,157.13 and 4,548.59

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Solution

The fourth proportional to 8,085.45, 11,157.13 and 4,548.59 is: 6,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.45 : 11,157.13 = 4,548.59 : x
  2. Step 2: Convert to fraction form
    8,085.45/11,157.13 = 4,548.59/x
  3. Step 3: Cross multiply
    8,085.45x = 11,157.13 × 4,548.59
  4. Step 4: Simplify right side
    8,085.45x = 50,749,142.79
  5. Step 5: Solve for x
    x = 50,749,142.79/8,085.45
  6. Step 6: Final answer
    x = 6,276.60

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Double scale
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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.