Home / 8,130.38-12,195.52-2,583.60

Finding the Fourth Proportional to 8,130.38, 12,195.52 and 2,583.60

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Solution

The fourth proportional to 8,130.38, 12,195.52 and 2,583.60 is: 3,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.38 : 12,195.52 = 2,583.60 : x
  2. Step 2: Convert to fraction form
    8,130.38/12,195.52 = 2,583.60/x
  3. Step 3: Cross multiply
    8,130.38x = 12,195.52 × 2,583.60
  4. Step 4: Simplify right side
    8,130.38x = 31,508,345.47
  5. Step 5: Solve for x
    x = 31,508,345.47/8,130.38
  6. Step 6: Final answer
    x = 3,875.38

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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.