Home / 8,220.08-11,345.82-5,074.46

Finding the Fourth Proportional to 8,220.08, 11,345.82 and 5,074.46

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Solution

The fourth proportional to 8,220.08, 11,345.82 and 5,074.46 is: 7,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.08 : 11,345.82 = 5,074.46 : x
  2. Step 2: Convert to fraction form
    8,220.08/11,345.82 = 5,074.46/x
  3. Step 3: Cross multiply
    8,220.08x = 11,345.82 × 5,074.46
  4. Step 4: Simplify right side
    8,220.08x = 57,573,909.76
  5. Step 5: Solve for x
    x = 57,573,909.76/8,220.08
  6. Step 6: Final answer
    x = 7,004.06

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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.