Home / 7,288.80-10,930.49-5,731.84

Finding the Fourth Proportional to 7,288.80, 10,930.49 and 5,731.84

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Solution

The fourth proportional to 7,288.80, 10,930.49 and 5,731.84 is: 8,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.80 : 10,930.49 = 5,731.84 : x
  2. Step 2: Convert to fraction form
    7,288.80/10,930.49 = 5,731.84/x
  3. Step 3: Cross multiply
    7,288.80x = 10,930.49 × 5,731.84
  4. Step 4: Simplify right side
    7,288.80x = 62,651,826.30
  5. Step 5: Solve for x
    x = 62,651,826.30/7,288.80
  6. Step 6: Final answer
    x = 8,595.63

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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.