Home / 4,621.89-6,378.21-2,526

Finding the Fourth Proportional to 4,621.89, 6,378.21 and 2,526

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Solution

The fourth proportional to 4,621.89, 6,378.21 and 2,526 is: 3,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.89 : 6,378.21 = 2,526 : x
  2. Step 2: Convert to fraction form
    4,621.89/6,378.21 = 2,526/x
  3. Step 3: Cross multiply
    4,621.89x = 6,378.21 × 2,526
  4. Step 4: Simplify right side
    4,621.89x = 16,111,358.46
  5. Step 5: Solve for x
    x = 16,111,358.46/4,621.89
  6. Step 6: Final answer
    x = 3,485.88

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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.