Home / 4,001.77-6,002.81-1,080.15

Finding the Fourth Proportional to 4,001.77, 6,002.81 and 1,080.15

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Solution

The fourth proportional to 4,001.77, 6,002.81 and 1,080.15 is: 1,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.77 : 6,002.81 = 1,080.15 : x
  2. Step 2: Convert to fraction form
    4,001.77/6,002.81 = 1,080.15/x
  3. Step 3: Cross multiply
    4,001.77x = 6,002.81 × 1,080.15
  4. Step 4: Simplify right side
    4,001.77x = 6,483,935.22
  5. Step 5: Solve for x
    x = 6,483,935.22/4,001.77
  6. Step 6: Final answer
    x = 1,620.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.