Home / 7,328.28-10,114.46-5,731.77

Finding the Fourth Proportional to 7,328.28, 10,114.46 and 5,731.77

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Solution

The fourth proportional to 7,328.28, 10,114.46 and 5,731.77 is: 7,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.28 : 10,114.46 = 5,731.77 : x
  2. Step 2: Convert to fraction form
    7,328.28/10,114.46 = 5,731.77/x
  3. Step 3: Cross multiply
    7,328.28x = 10,114.46 × 5,731.77
  4. Step 4: Simplify right side
    7,328.28x = 57,973,789.16
  5. Step 5: Solve for x
    x = 57,973,789.16/7,328.28
  6. Step 6: Final answer
    x = 7,910.96

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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.