Home / 4,948-7,421.12-2,174.16

Finding the Fourth Proportional to 4,948, 7,421.12 and 2,174.16

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Solution

The fourth proportional to 4,948, 7,421.12 and 2,174.16 is: 3,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948 : 7,421.12 = 2,174.16 : x
  2. Step 2: Convert to fraction form
    4,948/7,421.12 = 2,174.16/x
  3. Step 3: Cross multiply
    4,948x = 7,421.12 × 2,174.16
  4. Step 4: Simplify right side
    4,948x = 16,134,702.26
  5. Step 5: Solve for x
    x = 16,134,702.26/4,948
  6. Step 6: Final answer
    x = 3,260.85

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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.