Home / 8,753.48-13,128.21-2,513.44

Finding the Fourth Proportional to 8,753.48, 13,128.21 and 2,513.44

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Solution

The fourth proportional to 8,753.48, 13,128.21 and 2,513.44 is: 3,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.48 : 13,128.21 = 2,513.44 : x
  2. Step 2: Convert to fraction form
    8,753.48/13,128.21 = 2,513.44/x
  3. Step 3: Cross multiply
    8,753.48x = 13,128.21 × 2,513.44
  4. Step 4: Simplify right side
    8,753.48x = 32,996,935.32
  5. Step 5: Solve for x
    x = 32,996,935.32/8,753.48
  6. Step 6: Final answer
    x = 3,769.58

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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.