Home / 5,376.17-8,062.81-1,628.35

Finding the Fourth Proportional to 5,376.17, 8,062.81 and 1,628.35

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Solution

The fourth proportional to 5,376.17, 8,062.81 and 1,628.35 is: 2,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.17 : 8,062.81 = 1,628.35 : x
  2. Step 2: Convert to fraction form
    5,376.17/8,062.81 = 1,628.35/x
  3. Step 3: Cross multiply
    5,376.17x = 8,062.81 × 1,628.35
  4. Step 4: Simplify right side
    5,376.17x = 13,129,052.44
  5. Step 5: Solve for x
    x = 13,129,052.44/5,376.17
  6. Step 6: Final answer
    x = 2,442.08

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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.