Home / 6,447.14-9,670.01-3,981.30

Finding the Fourth Proportional to 6,447.14, 9,670.01 and 3,981.30

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Solution

The fourth proportional to 6,447.14, 9,670.01 and 3,981.30 is: 5,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.14 : 9,670.01 = 3,981.30 : x
  2. Step 2: Convert to fraction form
    6,447.14/9,670.01 = 3,981.30/x
  3. Step 3: Cross multiply
    6,447.14x = 9,670.01 × 3,981.30
  4. Step 4: Simplify right side
    6,447.14x = 38,499,210.81
  5. Step 5: Solve for x
    x = 38,499,210.81/6,447.14
  6. Step 6: Final answer
    x = 5,971.52

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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.