Home / 7,187.11-9,912.10-4,353.83

Finding the Fourth Proportional to 7,187.11, 9,912.10 and 4,353.83

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Solution

The fourth proportional to 7,187.11, 9,912.10 and 4,353.83 is: 6,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.11 : 9,912.10 = 4,353.83 : x
  2. Step 2: Convert to fraction form
    7,187.11/9,912.10 = 4,353.83/x
  3. Step 3: Cross multiply
    7,187.11x = 9,912.10 × 4,353.83
  4. Step 4: Simplify right side
    7,187.11x = 43,155,598.34
  5. Step 5: Solve for x
    x = 43,155,598.34/7,187.11
  6. Step 6: Final answer
    x = 6,004.58

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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.