Home / 4,001.51-6,001.85-1,080.11

Finding the Fourth Proportional to 4,001.51, 6,001.85 and 1,080.11

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Solution

The fourth proportional to 4,001.51, 6,001.85 and 1,080.11 is: 1,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.51 : 6,001.85 = 1,080.11 : x
  2. Step 2: Convert to fraction form
    4,001.51/6,001.85 = 1,080.11/x
  3. Step 3: Cross multiply
    4,001.51x = 6,001.85 × 1,080.11
  4. Step 4: Simplify right side
    4,001.51x = 6,482,622.79
  5. Step 5: Solve for x
    x = 6,482,622.79/4,001.51
  6. Step 6: Final answer
    x = 1,620.05

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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.