Home / 5,512.37-7,607.70-3,154.95

Finding the Fourth Proportional to 5,512.37, 7,607.70 and 3,154.95

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Solution

The fourth proportional to 5,512.37, 7,607.70 and 3,154.95 is: 4,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.37 : 7,607.70 = 3,154.95 : x
  2. Step 2: Convert to fraction form
    5,512.37/7,607.70 = 3,154.95/x
  3. Step 3: Cross multiply
    5,512.37x = 7,607.70 × 3,154.95
  4. Step 4: Simplify right side
    5,512.37x = 24,001,913.12
  5. Step 5: Solve for x
    x = 24,001,913.12/5,512.37
  6. Step 6: Final answer
    x = 4,354.20

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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.