Home / 5,558.16-7,670-3,040.12

Finding the Fourth Proportional to 5,558.16, 7,670 and 3,040.12

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Solution

The fourth proportional to 5,558.16, 7,670 and 3,040.12 is: 4,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.16 : 7,670 = 3,040.12 : x
  2. Step 2: Convert to fraction form
    5,558.16/7,670 = 3,040.12/x
  3. Step 3: Cross multiply
    5,558.16x = 7,670 × 3,040.12
  4. Step 4: Simplify right side
    5,558.16x = 23,317,720.40
  5. Step 5: Solve for x
    x = 23,317,720.40/5,558.16
  6. Step 6: Final answer
    x = 4,195.22

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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.