Home / 5,512.96-7,607.86-3,155.10

Finding the Fourth Proportional to 5,512.96, 7,607.86 and 3,155.10

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Solution

The fourth proportional to 5,512.96, 7,607.86 and 3,155.10 is: 4,354.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.96 : 7,607.86 = 3,155.10 : x
  2. Step 2: Convert to fraction form
    5,512.96/7,607.86 = 3,155.10/x
  3. Step 3: Cross multiply
    5,512.96x = 7,607.86 × 3,155.10
  4. Step 4: Simplify right side
    5,512.96x = 24,003,559.09
  5. Step 5: Solve for x
    x = 24,003,559.09/5,512.96
  6. Step 6: Final answer
    x = 4,354.02

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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.