Home / 4,303.62-6,455.79-1,993.86

Finding the Fourth Proportional to 4,303.62, 6,455.79 and 1,993.86

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Solution

The fourth proportional to 4,303.62, 6,455.79 and 1,993.86 is: 2,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,303.62 : 6,455.79 = 1,993.86 : x
  2. Step 2: Convert to fraction form
    4,303.62/6,455.79 = 1,993.86/x
  3. Step 3: Cross multiply
    4,303.62x = 6,455.79 × 1,993.86
  4. Step 4: Simplify right side
    4,303.62x = 12,871,941.45
  5. Step 5: Solve for x
    x = 12,871,941.45/4,303.62
  6. Step 6: Final answer
    x = 2,990.96

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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.