Home / 7,601.16-11,388.90-5,398.94

Finding the Fourth Proportional to 7,601.16, 11,388.90 and 5,398.94

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Solution

The fourth proportional to 7,601.16, 11,388.90 and 5,398.94 is: 8,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.16 : 11,388.90 = 5,398.94 : x
  2. Step 2: Convert to fraction form
    7,601.16/11,388.90 = 5,398.94/x
  3. Step 3: Cross multiply
    7,601.16x = 11,388.90 × 5,398.94
  4. Step 4: Simplify right side
    7,601.16x = 61,487,987.77
  5. Step 5: Solve for x
    x = 61,487,987.77/7,601.16
  6. Step 6: Final answer
    x = 8,089.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.