Home / 4,310.06-6,465.76-2,118.96

Finding the Fourth Proportional to 4,310.06, 6,465.76 and 2,118.96

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Solution

The fourth proportional to 4,310.06, 6,465.76 and 2,118.96 is: 3,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.06 : 6,465.76 = 2,118.96 : x
  2. Step 2: Convert to fraction form
    4,310.06/6,465.76 = 2,118.96/x
  3. Step 3: Cross multiply
    4,310.06x = 6,465.76 × 2,118.96
  4. Step 4: Simplify right side
    4,310.06x = 13,700,686.81
  5. Step 5: Solve for x
    x = 13,700,686.81/4,310.06
  6. Step 6: Final answer
    x = 3,178.77

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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.