Home / 7,030.72-10,546.80-2,651.86

Finding the Fourth Proportional to 7,030.72, 10,546.80 and 2,651.86

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Solution

The fourth proportional to 7,030.72, 10,546.80 and 2,651.86 is: 3,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.72 : 10,546.80 = 2,651.86 : x
  2. Step 2: Convert to fraction form
    7,030.72/10,546.80 = 2,651.86/x
  3. Step 3: Cross multiply
    7,030.72x = 10,546.80 × 2,651.86
  4. Step 4: Simplify right side
    7,030.72x = 27,968,637.05
  5. Step 5: Solve for x
    x = 27,968,637.05/7,030.72
  6. Step 6: Final answer
    x = 3,978.06

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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.