Home / 7,455.79-10,286.04-4,804.75

Finding the Fourth Proportional to 7,455.79, 10,286.04 and 4,804.75

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Solution

The fourth proportional to 7,455.79, 10,286.04 and 4,804.75 is: 6,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.79 : 10,286.04 = 4,804.75 : x
  2. Step 2: Convert to fraction form
    7,455.79/10,286.04 = 4,804.75/x
  3. Step 3: Cross multiply
    7,455.79x = 10,286.04 × 4,804.75
  4. Step 4: Simplify right side
    7,455.79x = 49,421,850.69
  5. Step 5: Solve for x
    x = 49,421,850.69/7,455.79
  6. Step 6: Final answer
    x = 6,628.65

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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.