Home / 5,513.40-7,614.76-3,741.92

Finding the Fourth Proportional to 5,513.40, 7,614.76 and 3,741.92

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Solution

The fourth proportional to 5,513.40, 7,614.76 and 3,741.92 is: 5,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.40 : 7,614.76 = 3,741.92 : x
  2. Step 2: Convert to fraction form
    5,513.40/7,614.76 = 3,741.92/x
  3. Step 3: Cross multiply
    5,513.40x = 7,614.76 × 3,741.92
  4. Step 4: Simplify right side
    5,513.40x = 28,493,822.74
  5. Step 5: Solve for x
    x = 28,493,822.74/5,513.40
  6. Step 6: Final answer
    x = 5,168.10

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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.