Home / 6,971.40-10,455.28-2,586.47

Finding the Fourth Proportional to 6,971.40, 10,455.28 and 2,586.47

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Solution

The fourth proportional to 6,971.40, 10,455.28 and 2,586.47 is: 3,879.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.40 : 10,455.28 = 2,586.47 : x
  2. Step 2: Convert to fraction form
    6,971.40/10,455.28 = 2,586.47/x
  3. Step 3: Cross multiply
    6,971.40x = 10,455.28 × 2,586.47
  4. Step 4: Simplify right side
    6,971.40x = 27,042,209.32
  5. Step 5: Solve for x
    x = 27,042,209.32/6,971.40
  6. Step 6: Final answer
    x = 3,879.02

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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.