Home / 5,903.40-8,147.27-3,385.75

Finding the Fourth Proportional to 5,903.40, 8,147.27 and 3,385.75

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Solution

The fourth proportional to 5,903.40, 8,147.27 and 3,385.75 is: 4,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.40 : 8,147.27 = 3,385.75 : x
  2. Step 2: Convert to fraction form
    5,903.40/8,147.27 = 3,385.75/x
  3. Step 3: Cross multiply
    5,903.40x = 8,147.27 × 3,385.75
  4. Step 4: Simplify right side
    5,903.40x = 27,584,582.11
  5. Step 5: Solve for x
    x = 27,584,582.11/5,903.40
  6. Step 6: Final answer
    x = 4,672.66

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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.