Home / 5,392.40-8,089.36-1,694.88

Finding the Fourth Proportional to 5,392.40, 8,089.36 and 1,694.88

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Solution

The fourth proportional to 5,392.40, 8,089.36 and 1,694.88 is: 2,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.40 : 8,089.36 = 1,694.88 : x
  2. Step 2: Convert to fraction form
    5,392.40/8,089.36 = 1,694.88/x
  3. Step 3: Cross multiply
    5,392.40x = 8,089.36 × 1,694.88
  4. Step 4: Simplify right side
    5,392.40x = 13,710,494.48
  5. Step 5: Solve for x
    x = 13,710,494.48/5,392.40
  6. Step 6: Final answer
    x = 2,542.56

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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.