Home / 5,157.09-7,118.64-3,061.22

Finding the Fourth Proportional to 5,157.09, 7,118.64 and 3,061.22

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Solution

The fourth proportional to 5,157.09, 7,118.64 and 3,061.22 is: 4,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.09 : 7,118.64 = 3,061.22 : x
  2. Step 2: Convert to fraction form
    5,157.09/7,118.64 = 3,061.22/x
  3. Step 3: Cross multiply
    5,157.09x = 7,118.64 × 3,061.22
  4. Step 4: Simplify right side
    5,157.09x = 21,791,702.76
  5. Step 5: Solve for x
    x = 21,791,702.76/5,157.09
  6. Step 6: Final answer
    x = 4,225.58

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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.