Home / 7,174.35-9,895.29-4,190.01

Finding the Fourth Proportional to 7,174.35, 9,895.29 and 4,190.01

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Solution

The fourth proportional to 7,174.35, 9,895.29 and 4,190.01 is: 5,779.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.35 : 9,895.29 = 4,190.01 : x
  2. Step 2: Convert to fraction form
    7,174.35/9,895.29 = 4,190.01/x
  3. Step 3: Cross multiply
    7,174.35x = 9,895.29 × 4,190.01
  4. Step 4: Simplify right side
    7,174.35x = 41,461,364.05
  5. Step 5: Solve for x
    x = 41,461,364.05/7,174.35
  6. Step 6: Final answer
    x = 5,779.11

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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.