Home / 7,521.72-10,379.58-4,864.52

Finding the Fourth Proportional to 7,521.72, 10,379.58 and 4,864.52

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Solution

The fourth proportional to 7,521.72, 10,379.58 and 4,864.52 is: 6,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.72 : 10,379.58 = 4,864.52 : x
  2. Step 2: Convert to fraction form
    7,521.72/10,379.58 = 4,864.52/x
  3. Step 3: Cross multiply
    7,521.72x = 10,379.58 × 4,864.52
  4. Step 4: Simplify right side
    7,521.72x = 50,491,622.60
  5. Step 5: Solve for x
    x = 50,491,622.60/7,521.72
  6. Step 6: Final answer
    x = 6,712.78

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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.