Home / 4,108.80-5,666.16-3,479.28

Finding the Fourth Proportional to 4,108.80, 5,666.16 and 3,479.28

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Solution

The fourth proportional to 4,108.80, 5,666.16 and 3,479.28 is: 4,798.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.80 : 5,666.16 = 3,479.28 : x
  2. Step 2: Convert to fraction form
    4,108.80/5,666.16 = 3,479.28/x
  3. Step 3: Cross multiply
    4,108.80x = 5,666.16 × 3,479.28
  4. Step 4: Simplify right side
    4,108.80x = 19,714,157.16
  5. Step 5: Solve for x
    x = 19,714,157.16/4,108.80
  6. Step 6: Final answer
    x = 4,798.03

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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.