Home / 5,513.47-7,609.26-3,155.56

Finding the Fourth Proportional to 5,513.47, 7,609.26 and 3,155.56

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Solution

The fourth proportional to 5,513.47, 7,609.26 and 3,155.56 is: 4,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.47 : 7,609.26 = 3,155.56 : x
  2. Step 2: Convert to fraction form
    5,513.47/7,609.26 = 3,155.56/x
  3. Step 3: Cross multiply
    5,513.47x = 7,609.26 × 3,155.56
  4. Step 4: Simplify right side
    5,513.47x = 24,011,476.49
  5. Step 5: Solve for x
    x = 24,011,476.49/5,513.47
  6. Step 6: Final answer
    x = 4,355.06

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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.