Home / 8,053.57-12,080.85-2,130.58

Finding the Fourth Proportional to 8,053.57, 12,080.85 and 2,130.58

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Solution

The fourth proportional to 8,053.57, 12,080.85 and 2,130.58 is: 3,196.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.57 : 12,080.85 = 2,130.58 : x
  2. Step 2: Convert to fraction form
    8,053.57/12,080.85 = 2,130.58/x
  3. Step 3: Cross multiply
    8,053.57x = 12,080.85 × 2,130.58
  4. Step 4: Simplify right side
    8,053.57x = 25,739,217.39
  5. Step 5: Solve for x
    x = 25,739,217.39/8,053.57
  6. Step 6: Final answer
    x = 3,196.00

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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.