Home / 7,289.10-10,933.65-4,167.90

Finding the Fourth Proportional to 7,289.10, 10,933.65 and 4,167.90

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Solution

The fourth proportional to 7,289.10, 10,933.65 and 4,167.90 is: 6,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.10 : 10,933.65 = 4,167.90 : x
  2. Step 2: Convert to fraction form
    7,289.10/10,933.65 = 4,167.90/x
  3. Step 3: Cross multiply
    7,289.10x = 10,933.65 × 4,167.90
  4. Step 4: Simplify right side
    7,289.10x = 45,570,359.84
  5. Step 5: Solve for x
    x = 45,570,359.84/7,289.10
  6. Step 6: Final answer
    x = 6,251.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.