Home / 4,191.60-6,291.45-2,551.35

Finding the Fourth Proportional to 4,191.60, 6,291.45 and 2,551.35

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Solution

The fourth proportional to 4,191.60, 6,291.45 and 2,551.35 is: 3,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.60 : 6,291.45 = 2,551.35 : x
  2. Step 2: Convert to fraction form
    4,191.60/6,291.45 = 2,551.35/x
  3. Step 3: Cross multiply
    4,191.60x = 6,291.45 × 2,551.35
  4. Step 4: Simplify right side
    4,191.60x = 16,051,690.96
  5. Step 5: Solve for x
    x = 16,051,690.96/4,191.60
  6. Step 6: Final answer
    x = 3,829.49

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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.