Home / 8,005.48-12,010.09-2,740.55

Finding the Fourth Proportional to 8,005.48, 12,010.09 and 2,740.55

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Solution

The fourth proportional to 8,005.48, 12,010.09 and 2,740.55 is: 4,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.48 : 12,010.09 = 2,740.55 : x
  2. Step 2: Convert to fraction form
    8,005.48/12,010.09 = 2,740.55/x
  3. Step 3: Cross multiply
    8,005.48x = 12,010.09 × 2,740.55
  4. Step 4: Simplify right side
    8,005.48x = 32,914,192.10
  5. Step 5: Solve for x
    x = 32,914,192.10/8,005.48
  6. Step 6: Final answer
    x = 4,111.46

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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.