Home / 7,265.39-10,025.12-4,078.85

Finding the Fourth Proportional to 7,265.39, 10,025.12 and 4,078.85

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Solution

The fourth proportional to 7,265.39, 10,025.12 and 4,078.85 is: 5,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.39 : 10,025.12 = 4,078.85 : x
  2. Step 2: Convert to fraction form
    7,265.39/10,025.12 = 4,078.85/x
  3. Step 3: Cross multiply
    7,265.39x = 10,025.12 × 4,078.85
  4. Step 4: Simplify right side
    7,265.39x = 40,890,890.19
  5. Step 5: Solve for x
    x = 40,890,890.19/7,265.39
  6. Step 6: Final answer
    x = 5,628.18

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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.