Home / 5,513.38-7,606.74-3,155.07

Finding the Fourth Proportional to 5,513.38, 7,606.74 and 3,155.07

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Solution

The fourth proportional to 5,513.38, 7,606.74 and 3,155.07 is: 4,353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.38 : 7,606.74 = 3,155.07 : x
  2. Step 2: Convert to fraction form
    5,513.38/7,606.74 = 3,155.07/x
  3. Step 3: Cross multiply
    5,513.38x = 7,606.74 × 3,155.07
  4. Step 4: Simplify right side
    5,513.38x = 23,999,797.17
  5. Step 5: Solve for x
    x = 23,999,797.17/5,513.38
  6. Step 6: Final answer
    x = 4,353.01

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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.