Home / 7,399.84-11,045.78-6,465.65

Finding the Fourth Proportional to 7,399.84, 11,045.78 and 6,465.65

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Solution

The fourth proportional to 7,399.84, 11,045.78 and 6,465.65 is: 9,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.84 : 11,045.78 = 6,465.65 : x
  2. Step 2: Convert to fraction form
    7,399.84/11,045.78 = 6,465.65/x
  3. Step 3: Cross multiply
    7,399.84x = 11,045.78 × 6,465.65
  4. Step 4: Simplify right side
    7,399.84x = 71,418,163.52
  5. Step 5: Solve for x
    x = 71,418,163.52/7,399.84
  6. Step 6: Final answer
    x = 9,651.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.