Home / 5,909.24-8,154.45-3,813.36

Finding the Fourth Proportional to 5,909.24, 8,154.45 and 3,813.36

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Solution

The fourth proportional to 5,909.24, 8,154.45 and 3,813.36 is: 5,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.24 : 8,154.45 = 3,813.36 : x
  2. Step 2: Convert to fraction form
    5,909.24/8,154.45 = 3,813.36/x
  3. Step 3: Cross multiply
    5,909.24x = 8,154.45 × 3,813.36
  4. Step 4: Simplify right side
    5,909.24x = 31,095,853.45
  5. Step 5: Solve for x
    x = 31,095,853.45/5,909.24
  6. Step 6: Final answer
    x = 5,262.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.