Home / 7,333.24-10,999.86-2,139.52

Finding the Fourth Proportional to 7,333.24, 10,999.86 and 2,139.52

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Solution

The fourth proportional to 7,333.24, 10,999.86 and 2,139.52 is: 3,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.24 : 10,999.86 = 2,139.52 : x
  2. Step 2: Convert to fraction form
    7,333.24/10,999.86 = 2,139.52/x
  3. Step 3: Cross multiply
    7,333.24x = 10,999.86 × 2,139.52
  4. Step 4: Simplify right side
    7,333.24x = 23,534,420.47
  5. Step 5: Solve for x
    x = 23,534,420.47/7,333.24
  6. Step 6: Final answer
    x = 3,209.28

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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.