Home / 4,622.31-6,378.81-2,526.42

Finding the Fourth Proportional to 4,622.31, 6,378.81 and 2,526.42

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Solution

The fourth proportional to 4,622.31, 6,378.81 and 2,526.42 is: 3,486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.31 : 6,378.81 = 2,526.42 : x
  2. Step 2: Convert to fraction form
    4,622.31/6,378.81 = 2,526.42/x
  3. Step 3: Cross multiply
    4,622.31x = 6,378.81 × 2,526.42
  4. Step 4: Simplify right side
    4,622.31x = 16,115,553.16
  5. Step 5: Solve for x
    x = 16,115,553.16/4,622.31
  6. Step 6: Final answer
    x = 3,486.47

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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.