Home / 4,079.91-5,628.62-2,663.12

Finding the Fourth Proportional to 4,079.91, 5,628.62 and 2,663.12

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Solution

The fourth proportional to 4,079.91, 5,628.62 and 2,663.12 is: 3,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.91 : 5,628.62 = 2,663.12 : x
  2. Step 2: Convert to fraction form
    4,079.91/5,628.62 = 2,663.12/x
  3. Step 3: Cross multiply
    4,079.91x = 5,628.62 × 2,663.12
  4. Step 4: Simplify right side
    4,079.91x = 14,989,649.04
  5. Step 5: Solve for x
    x = 14,989,649.04/4,079.91
  6. Step 6: Final answer
    x = 3,674.01

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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.