Home / 8,180.50-11,290.52-4,643.64

Finding the Fourth Proportional to 8,180.50, 11,290.52 and 4,643.64

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Solution

The fourth proportional to 8,180.50, 11,290.52 and 4,643.64 is: 6,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.50 : 11,290.52 = 4,643.64 : x
  2. Step 2: Convert to fraction form
    8,180.50/11,290.52 = 4,643.64/x
  3. Step 3: Cross multiply
    8,180.50x = 11,290.52 × 4,643.64
  4. Step 4: Simplify right side
    8,180.50x = 52,429,110.29
  5. Step 5: Solve for x
    x = 52,429,110.29/8,180.50
  6. Step 6: Final answer
    x = 6,409.03

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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.