Home / 7,521.54-10,379.97-4,999.26

Finding the Fourth Proportional to 7,521.54, 10,379.97 and 4,999.26

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Solution

The fourth proportional to 7,521.54, 10,379.97 and 4,999.26 is: 6,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.54 : 10,379.97 = 4,999.26 : x
  2. Step 2: Convert to fraction form
    7,521.54/10,379.97 = 4,999.26/x
  3. Step 3: Cross multiply
    7,521.54x = 10,379.97 × 4,999.26
  4. Step 4: Simplify right side
    7,521.54x = 51,892,168.82
  5. Step 5: Solve for x
    x = 51,892,168.82/7,521.54
  6. Step 6: Final answer
    x = 6,899.14

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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.