Home / 7,113.07-10,670.30-2,181.86

Finding the Fourth Proportional to 7,113.07, 10,670.30 and 2,181.86

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Solution

The fourth proportional to 7,113.07, 10,670.30 and 2,181.86 is: 3,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.07 : 10,670.30 = 2,181.86 : x
  2. Step 2: Convert to fraction form
    7,113.07/10,670.30 = 2,181.86/x
  3. Step 3: Cross multiply
    7,113.07x = 10,670.30 × 2,181.86
  4. Step 4: Simplify right side
    7,113.07x = 23,281,100.76
  5. Step 5: Solve for x
    x = 23,281,100.76/7,113.07
  6. Step 6: Final answer
    x = 3,273.00

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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.