Home / 4,060.40-5,588.80-3,389.68

Finding the Fourth Proportional to 4,060.40, 5,588.80 and 3,389.68

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Solution

The fourth proportional to 4,060.40, 5,588.80 and 3,389.68 is: 4,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,060.40 : 5,588.80 = 3,389.68 : x
  2. Step 2: Convert to fraction form
    4,060.40/5,588.80 = 3,389.68/x
  3. Step 3: Cross multiply
    4,060.40x = 5,588.80 × 3,389.68
  4. Step 4: Simplify right side
    4,060.40x = 18,944,243.58
  5. Step 5: Solve for x
    x = 18,944,243.58/4,060.40
  6. Step 6: Final answer
    x = 4,665.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.