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Finding the Fourth Proportional to 8,053.50, 11,104.47 and 7,555.35

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Solution

The fourth proportional to 8,053.50, 11,104.47 and 7,555.35 is: 10,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.50 : 11,104.47 = 7,555.35 : x
  2. Step 2: Convert to fraction form
    8,053.50/11,104.47 = 7,555.35/x
  3. Step 3: Cross multiply
    8,053.50x = 11,104.47 × 7,555.35
  4. Step 4: Simplify right side
    8,053.50x = 83,898,157.41
  5. Step 5: Solve for x
    x = 83,898,157.41/8,053.50
  6. Step 6: Final answer
    x = 10,417.60

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Double scale
Find fourth proportional to 8,054.50, 11,105.85 and 7,556.35
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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.