Home / 4,309.07-5,941.86-3,931.81

Finding the Fourth Proportional to 4,309.07, 5,941.86 and 3,931.81

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Solution

The fourth proportional to 4,309.07, 5,941.86 and 3,931.81 is: 5,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.07 : 5,941.86 = 3,931.81 : x
  2. Step 2: Convert to fraction form
    4,309.07/5,941.86 = 3,931.81/x
  3. Step 3: Cross multiply
    4,309.07x = 5,941.86 × 3,931.81
  4. Step 4: Simplify right side
    4,309.07x = 23,362,234.97
  5. Step 5: Solve for x
    x = 23,362,234.97/4,309.07
  6. Step 6: Final answer
    x = 5,421.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.