Home / 7,521.27-10,379.10-4,163.95

Finding the Fourth Proportional to 7,521.27, 10,379.10 and 4,163.95

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Solution

The fourth proportional to 7,521.27, 10,379.10 and 4,163.95 is: 5,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.27 : 10,379.10 = 4,163.95 : x
  2. Step 2: Convert to fraction form
    7,521.27/10,379.10 = 4,163.95/x
  3. Step 3: Cross multiply
    7,521.27x = 10,379.10 × 4,163.95
  4. Step 4: Simplify right side
    7,521.27x = 43,218,053.45
  5. Step 5: Solve for x
    x = 43,218,053.45/7,521.27
  6. Step 6: Final answer
    x = 5,746.11

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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.