Home / 4,001.10-6,001.75-1,079.39

Finding the Fourth Proportional to 4,001.10, 6,001.75 and 1,079.39

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Solution

The fourth proportional to 4,001.10, 6,001.75 and 1,079.39 is: 1,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.10 : 6,001.75 = 1,079.39 : x
  2. Step 2: Convert to fraction form
    4,001.10/6,001.75 = 1,079.39/x
  3. Step 3: Cross multiply
    4,001.10x = 6,001.75 × 1,079.39
  4. Step 4: Simplify right side
    4,001.10x = 6,478,245.29
  5. Step 5: Solve for x
    x = 6,478,245.29/4,001.10
  6. Step 6: Final answer
    x = 1,619.12

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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.