Home / 4,080.16-5,628.68-2,959.28

Finding the Fourth Proportional to 4,080.16, 5,628.68 and 2,959.28

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Solution

The fourth proportional to 4,080.16, 5,628.68 and 2,959.28 is: 4,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.16 : 5,628.68 = 2,959.28 : x
  2. Step 2: Convert to fraction form
    4,080.16/5,628.68 = 2,959.28/x
  3. Step 3: Cross multiply
    4,080.16x = 5,628.68 × 2,959.28
  4. Step 4: Simplify right side
    4,080.16x = 16,656,840.15
  5. Step 5: Solve for x
    x = 16,656,840.15/4,080.16
  6. Step 6: Final answer
    x = 4,082.40

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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.