Home / 7,267.20-10,904.40-2,884.80

Finding the Fourth Proportional to 7,267.20, 10,904.40 and 2,884.80

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Solution

The fourth proportional to 7,267.20, 10,904.40 and 2,884.80 is: 4,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.20 : 10,904.40 = 2,884.80 : x
  2. Step 2: Convert to fraction form
    7,267.20/10,904.40 = 2,884.80/x
  3. Step 3: Cross multiply
    7,267.20x = 10,904.40 × 2,884.80
  4. Step 4: Simplify right side
    7,267.20x = 31,457,013.12
  5. Step 5: Solve for x
    x = 31,457,013.12/7,267.20
  6. Step 6: Final answer
    x = 4,328.63

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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.