Home / 4,288.29-6,433.65-2,209.81

Finding the Fourth Proportional to 4,288.29, 6,433.65 and 2,209.81

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Solution

The fourth proportional to 4,288.29, 6,433.65 and 2,209.81 is: 3,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.29 : 6,433.65 = 2,209.81 : x
  2. Step 2: Convert to fraction form
    4,288.29/6,433.65 = 2,209.81/x
  3. Step 3: Cross multiply
    4,288.29x = 6,433.65 × 2,209.81
  4. Step 4: Simplify right side
    4,288.29x = 14,217,144.11
  5. Step 5: Solve for x
    x = 14,217,144.11/4,288.29
  6. Step 6: Final answer
    x = 3,315.34

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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.