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Finding the Fourth Proportional to 8,009.80, 11,053.62 and 4,473.40

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Solution

The fourth proportional to 8,009.80, 11,053.62 and 4,473.40 is: 6,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.80 : 11,053.62 = 4,473.40 : x
  2. Step 2: Convert to fraction form
    8,009.80/11,053.62 = 4,473.40/x
  3. Step 3: Cross multiply
    8,009.80x = 11,053.62 × 4,473.40
  4. Step 4: Simplify right side
    8,009.80x = 49,447,263.71
  5. Step 5: Solve for x
    x = 49,447,263.71/8,009.80
  6. Step 6: Final answer
    x = 6,173.35

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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.