Home / 5,072.40-7,000.26-2,948.60

Finding the Fourth Proportional to 5,072.40, 7,000.26 and 2,948.60

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Solution

The fourth proportional to 5,072.40, 7,000.26 and 2,948.60 is: 4,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.40 : 7,000.26 = 2,948.60 : x
  2. Step 2: Convert to fraction form
    5,072.40/7,000.26 = 2,948.60/x
  3. Step 3: Cross multiply
    5,072.40x = 7,000.26 × 2,948.60
  4. Step 4: Simplify right side
    5,072.40x = 20,640,966.64
  5. Step 5: Solve for x
    x = 20,640,966.64/5,072.40
  6. Step 6: Final answer
    x = 4,069.27

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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.