Home / 4,405.03-6,607.55-1,939.86

Finding the Fourth Proportional to 4,405.03, 6,607.55 and 1,939.86

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Solution

The fourth proportional to 4,405.03, 6,607.55 and 1,939.86 is: 2,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.03 : 6,607.55 = 1,939.86 : x
  2. Step 2: Convert to fraction form
    4,405.03/6,607.55 = 1,939.86/x
  3. Step 3: Cross multiply
    4,405.03x = 6,607.55 × 1,939.86
  4. Step 4: Simplify right side
    4,405.03x = 12,817,728.76
  5. Step 5: Solve for x
    x = 12,817,728.76/4,405.03
  6. Step 6: Final answer
    x = 2,909.79

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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.