Home / 8,310.89-12,466.38-2,070.92

Finding the Fourth Proportional to 8,310.89, 12,466.38 and 2,070.92

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Solution

The fourth proportional to 8,310.89, 12,466.38 and 2,070.92 is: 3,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.89 : 12,466.38 = 2,070.92 : x
  2. Step 2: Convert to fraction form
    8,310.89/12,466.38 = 2,070.92/x
  3. Step 3: Cross multiply
    8,310.89x = 12,466.38 × 2,070.92
  4. Step 4: Simplify right side
    8,310.89x = 25,816,875.67
  5. Step 5: Solve for x
    x = 25,816,875.67/8,310.89
  6. Step 6: Final answer
    x = 3,106.39

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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.