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Finding the Fourth Proportional to 4,622, 6,378.42 and 2,526.17

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Solution

The fourth proportional to 4,622, 6,378.42 and 2,526.17 is: 3,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622 : 6,378.42 = 2,526.17 : x
  2. Step 2: Convert to fraction form
    4,622/6,378.42 = 2,526.17/x
  3. Step 3: Cross multiply
    4,622x = 6,378.42 × 2,526.17
  4. Step 4: Simplify right side
    4,622x = 16,112,973.25
  5. Step 5: Solve for x
    x = 16,112,973.25/4,622
  6. Step 6: Final answer
    x = 3,486.15

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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.