Home / 5,381.52-8,069.34-1,682.76

Finding the Fourth Proportional to 5,381.52, 8,069.34 and 1,682.76

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Solution

The fourth proportional to 5,381.52, 8,069.34 and 1,682.76 is: 2,523.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.52 : 8,069.34 = 1,682.76 : x
  2. Step 2: Convert to fraction form
    5,381.52/8,069.34 = 1,682.76/x
  3. Step 3: Cross multiply
    5,381.52x = 8,069.34 × 1,682.76
  4. Step 4: Simplify right side
    5,381.52x = 13,578,762.58
  5. Step 5: Solve for x
    x = 13,578,762.58/5,381.52
  6. Step 6: Final answer
    x = 2,523.22

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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.