Home / 5,513.24-7,607.36-3,155.38

Finding the Fourth Proportional to 5,513.24, 7,607.36 and 3,155.38

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Solution

The fourth proportional to 5,513.24, 7,607.36 and 3,155.38 is: 4,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.24 : 7,607.36 = 3,155.38 : x
  2. Step 2: Convert to fraction form
    5,513.24/7,607.36 = 3,155.38/x
  3. Step 3: Cross multiply
    5,513.24x = 7,607.36 × 3,155.38
  4. Step 4: Simplify right side
    5,513.24x = 24,004,111.60
  5. Step 5: Solve for x
    x = 24,004,111.60/5,513.24
  6. Step 6: Final answer
    x = 4,353.90

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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.