Home / 7,521.53-10,381.38-4,379.54

Finding the Fourth Proportional to 7,521.53, 10,381.38 and 4,379.54

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Solution

The fourth proportional to 7,521.53, 10,381.38 and 4,379.54 is: 6,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.53 : 10,381.38 = 4,379.54 : x
  2. Step 2: Convert to fraction form
    7,521.53/10,381.38 = 4,379.54/x
  3. Step 3: Cross multiply
    7,521.53x = 10,381.38 × 4,379.54
  4. Step 4: Simplify right side
    7,521.53x = 45,465,668.97
  5. Step 5: Solve for x
    x = 45,465,668.97/7,521.53
  6. Step 6: Final answer
    x = 6,044.74

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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.