Home / 5,376.24-8,064.42-1,628.05

Finding the Fourth Proportional to 5,376.24, 8,064.42 and 1,628.05

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Solution

The fourth proportional to 5,376.24, 8,064.42 and 1,628.05 is: 2,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.24 : 8,064.42 = 1,628.05 : x
  2. Step 2: Convert to fraction form
    5,376.24/8,064.42 = 1,628.05/x
  3. Step 3: Cross multiply
    5,376.24x = 8,064.42 × 1,628.05
  4. Step 4: Simplify right side
    5,376.24x = 13,129,278.98
  5. Step 5: Solve for x
    x = 13,129,278.98/5,376.24
  6. Step 6: Final answer
    x = 2,442.09

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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.