Home / 4,311.95-6,465.83-1,812.69

Finding the Fourth Proportional to 4,311.95, 6,465.83 and 1,812.69

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Solution

The fourth proportional to 4,311.95, 6,465.83 and 1,812.69 is: 2,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.95 : 6,465.83 = 1,812.69 : x
  2. Step 2: Convert to fraction form
    4,311.95/6,465.83 = 1,812.69/x
  3. Step 3: Cross multiply
    4,311.95x = 6,465.83 × 1,812.69
  4. Step 4: Simplify right side
    4,311.95x = 11,720,536.32
  5. Step 5: Solve for x
    x = 11,720,536.32/4,311.95
  6. Step 6: Final answer
    x = 2,718.16

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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.