Home / 7,351.65-10,141.39-4,658.11

Finding the Fourth Proportional to 7,351.65, 10,141.39 and 4,658.11

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Solution

The fourth proportional to 7,351.65, 10,141.39 and 4,658.11 is: 6,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.65 : 10,141.39 = 4,658.11 : x
  2. Step 2: Convert to fraction form
    7,351.65/10,141.39 = 4,658.11/x
  3. Step 3: Cross multiply
    7,351.65x = 10,141.39 × 4,658.11
  4. Step 4: Simplify right side
    7,351.65x = 47,239,710.17
  5. Step 5: Solve for x
    x = 47,239,710.17/7,351.65
  6. Step 6: Final answer
    x = 6,425.73

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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.