Home / 8,120.61-11,206.22-4,584.15

Finding the Fourth Proportional to 8,120.61, 11,206.22 and 4,584.15

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Solution

The fourth proportional to 8,120.61, 11,206.22 and 4,584.15 is: 6,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.61 : 11,206.22 = 4,584.15 : x
  2. Step 2: Convert to fraction form
    8,120.61/11,206.22 = 4,584.15/x
  3. Step 3: Cross multiply
    8,120.61x = 11,206.22 × 4,584.15
  4. Step 4: Simplify right side
    8,120.61x = 51,370,970.49
  5. Step 5: Solve for x
    x = 51,370,970.49/8,120.61
  6. Step 6: Final answer
    x = 6,326.00

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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.