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Finding the Fourth Proportional to 8,482.90, 12,725.61 and 4,536.22

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Solution

The fourth proportional to 8,482.90, 12,725.61 and 4,536.22 is: 6,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.90 : 12,725.61 = 4,536.22 : x
  2. Step 2: Convert to fraction form
    8,482.90/12,725.61 = 4,536.22/x
  3. Step 3: Cross multiply
    8,482.90x = 12,725.61 × 4,536.22
  4. Step 4: Simplify right side
    8,482.90x = 57,726,166.59
  5. Step 5: Solve for x
    x = 57,726,166.59/8,482.90
  6. Step 6: Final answer
    x = 6,805.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.