Home / 4,489.40-6,191.70-2,914.76

Finding the Fourth Proportional to 4,489.40, 6,191.70 and 2,914.76

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Solution

The fourth proportional to 4,489.40, 6,191.70 and 2,914.76 is: 4,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.40 : 6,191.70 = 2,914.76 : x
  2. Step 2: Convert to fraction form
    4,489.40/6,191.70 = 2,914.76/x
  3. Step 3: Cross multiply
    4,489.40x = 6,191.70 × 2,914.76
  4. Step 4: Simplify right side
    4,489.40x = 18,047,319.49
  5. Step 5: Solve for x
    x = 18,047,319.49/4,489.40
  6. Step 6: Final answer
    x = 4,019.98

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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.