Home / 7,285.28-10,930.36-2,901.56

Finding the Fourth Proportional to 7,285.28, 10,930.36 and 2,901.56

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Solution

The fourth proportional to 7,285.28, 10,930.36 and 2,901.56 is: 4,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.28 : 10,930.36 = 2,901.56 : x
  2. Step 2: Convert to fraction form
    7,285.28/10,930.36 = 2,901.56/x
  3. Step 3: Cross multiply
    7,285.28x = 10,930.36 × 2,901.56
  4. Step 4: Simplify right side
    7,285.28x = 31,715,095.36
  5. Step 5: Solve for x
    x = 31,715,095.36/7,285.28
  6. Step 6: Final answer
    x = 4,353.31

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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.