Home / 7,285.97-10,930.05-2,903.19

Finding the Fourth Proportional to 7,285.97, 10,930.05 and 2,903.19

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Solution

The fourth proportional to 7,285.97, 10,930.05 and 2,903.19 is: 4,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.97 : 10,930.05 = 2,903.19 : x
  2. Step 2: Convert to fraction form
    7,285.97/10,930.05 = 2,903.19/x
  3. Step 3: Cross multiply
    7,285.97x = 10,930.05 × 2,903.19
  4. Step 4: Simplify right side
    7,285.97x = 31,732,011.86
  5. Step 5: Solve for x
    x = 31,732,011.86/7,285.97
  6. Step 6: Final answer
    x = 4,355.22

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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.