Home / 5,741.69-8,612.21-1,845.78

Finding the Fourth Proportional to 5,741.69, 8,612.21 and 1,845.78

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Solution

The fourth proportional to 5,741.69, 8,612.21 and 1,845.78 is: 2,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,741.69 : 8,612.21 = 1,845.78 : x
  2. Step 2: Convert to fraction form
    5,741.69/8,612.21 = 1,845.78/x
  3. Step 3: Cross multiply
    5,741.69x = 8,612.21 × 1,845.78
  4. Step 4: Simplify right side
    5,741.69x = 15,896,235.74
  5. Step 5: Solve for x
    x = 15,896,235.74/5,741.69
  6. Step 6: Final answer
    x = 2,768.57

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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.