Home / 4,000.30-5,999.76-1,077.92

Finding the Fourth Proportional to 4,000.30, 5,999.76 and 1,077.92

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Solution

The fourth proportional to 4,000.30, 5,999.76 and 1,077.92 is: 1,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.30 : 5,999.76 = 1,077.92 : x
  2. Step 2: Convert to fraction form
    4,000.30/5,999.76 = 1,077.92/x
  3. Step 3: Cross multiply
    4,000.30x = 5,999.76 × 1,077.92
  4. Step 4: Simplify right side
    4,000.30x = 6,467,225.91
  5. Step 5: Solve for x
    x = 6,467,225.91/4,000.30
  6. Step 6: Final answer
    x = 1,616.69

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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.