Home / 5,072.30-6,999.60-2,948

Finding the Fourth Proportional to 5,072.30, 6,999.60 and 2,948

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Solution

The fourth proportional to 5,072.30, 6,999.60 and 2,948 is: 4,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.30 : 6,999.60 = 2,948 : x
  2. Step 2: Convert to fraction form
    5,072.30/6,999.60 = 2,948/x
  3. Step 3: Cross multiply
    5,072.30x = 6,999.60 × 2,948
  4. Step 4: Simplify right side
    5,072.30x = 20,634,820.80
  5. Step 5: Solve for x
    x = 20,634,820.80/5,072.30
  6. Step 6: Final answer
    x = 4,068.14

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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.