Home / 5,370.81-8,056.57-1,861.17

Finding the Fourth Proportional to 5,370.81, 8,056.57 and 1,861.17

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Solution

The fourth proportional to 5,370.81, 8,056.57 and 1,861.17 is: 2,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.81 : 8,056.57 = 1,861.17 : x
  2. Step 2: Convert to fraction form
    5,370.81/8,056.57 = 1,861.17/x
  3. Step 3: Cross multiply
    5,370.81x = 8,056.57 × 1,861.17
  4. Step 4: Simplify right side
    5,370.81x = 14,994,646.39
  5. Step 5: Solve for x
    x = 14,994,646.39/5,370.81
  6. Step 6: Final answer
    x = 2,791.88

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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.