Home / 5,438.74-8,160.27-1,976.26

Finding the Fourth Proportional to 5,438.74, 8,160.27 and 1,976.26

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Solution

The fourth proportional to 5,438.74, 8,160.27 and 1,976.26 is: 2,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.74 : 8,160.27 = 1,976.26 : x
  2. Step 2: Convert to fraction form
    5,438.74/8,160.27 = 1,976.26/x
  3. Step 3: Cross multiply
    5,438.74x = 8,160.27 × 1,976.26
  4. Step 4: Simplify right side
    5,438.74x = 16,126,815.19
  5. Step 5: Solve for x
    x = 16,126,815.19/5,438.74
  6. Step 6: Final answer
    x = 2,965.17

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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.