Home / 4,079.92-5,628.13-2,585.28

Finding the Fourth Proportional to 4,079.92, 5,628.13 and 2,585.28

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Solution

The fourth proportional to 4,079.92, 5,628.13 and 2,585.28 is: 3,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.92 : 5,628.13 = 2,585.28 : x
  2. Step 2: Convert to fraction form
    4,079.92/5,628.13 = 2,585.28/x
  3. Step 3: Cross multiply
    4,079.92x = 5,628.13 × 2,585.28
  4. Step 4: Simplify right side
    4,079.92x = 14,550,291.93
  5. Step 5: Solve for x
    x = 14,550,291.93/4,079.92
  6. Step 6: Final answer
    x = 3,566.32

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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.