Home / 5,513.20-7,608.06-3,155.26

Finding the Fourth Proportional to 5,513.20, 7,608.06 and 3,155.26

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Solution

The fourth proportional to 5,513.20, 7,608.06 and 3,155.26 is: 4,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.20 : 7,608.06 = 3,155.26 : x
  2. Step 2: Convert to fraction form
    5,513.20/7,608.06 = 3,155.26/x
  3. Step 3: Cross multiply
    5,513.20x = 7,608.06 × 3,155.26
  4. Step 4: Simplify right side
    5,513.20x = 24,005,407.40
  5. Step 5: Solve for x
    x = 24,005,407.40/5,513.20
  6. Step 6: Final answer
    x = 4,354.17

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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.