Home / 4,080.72-6,121.08-1,158.65

Finding the Fourth Proportional to 4,080.72, 6,121.08 and 1,158.65

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Solution

The fourth proportional to 4,080.72, 6,121.08 and 1,158.65 is: 1,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.72 : 6,121.08 = 1,158.65 : x
  2. Step 2: Convert to fraction form
    4,080.72/6,121.08 = 1,158.65/x
  3. Step 3: Cross multiply
    4,080.72x = 6,121.08 × 1,158.65
  4. Step 4: Simplify right side
    4,080.72x = 7,092,189.34
  5. Step 5: Solve for x
    x = 7,092,189.34/4,080.72
  6. Step 6: Final answer
    x = 1,737.98

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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.