Home / 7,333.68-11,000.34-2,139.60

Finding the Fourth Proportional to 7,333.68, 11,000.34 and 2,139.60

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Solution

The fourth proportional to 7,333.68, 11,000.34 and 2,139.60 is: 3,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.68 : 11,000.34 = 2,139.60 : x
  2. Step 2: Convert to fraction form
    7,333.68/11,000.34 = 2,139.60/x
  3. Step 3: Cross multiply
    7,333.68x = 11,000.34 × 2,139.60
  4. Step 4: Simplify right side
    7,333.68x = 23,536,327.46
  5. Step 5: Solve for x
    x = 23,536,327.46/7,333.68
  6. Step 6: Final answer
    x = 3,209.35

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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.