Home / 8,094.08-12,139.68-2,829.80

Finding the Fourth Proportional to 8,094.08, 12,139.68 and 2,829.80

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Solution

The fourth proportional to 8,094.08, 12,139.68 and 2,829.80 is: 4,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.08 : 12,139.68 = 2,829.80 : x
  2. Step 2: Convert to fraction form
    8,094.08/12,139.68 = 2,829.80/x
  3. Step 3: Cross multiply
    8,094.08x = 12,139.68 × 2,829.80
  4. Step 4: Simplify right side
    8,094.08x = 34,352,866.46
  5. Step 5: Solve for x
    x = 34,352,866.46/8,094.08
  6. Step 6: Final answer
    x = 4,244.20

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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.