Home / 8,057.86-11,120.04-4,521.34

Finding the Fourth Proportional to 8,057.86, 11,120.04 and 4,521.34

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Solution

The fourth proportional to 8,057.86, 11,120.04 and 4,521.34 is: 6,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.86 : 11,120.04 = 4,521.34 : x
  2. Step 2: Convert to fraction form
    8,057.86/11,120.04 = 4,521.34/x
  3. Step 3: Cross multiply
    8,057.86x = 11,120.04 × 4,521.34
  4. Step 4: Simplify right side
    8,057.86x = 50,277,445.72
  5. Step 5: Solve for x
    x = 50,277,445.72/8,057.86
  6. Step 6: Final answer
    x = 6,239.55

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Half scale
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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.