Home / 6,985.16-10,477.61-2,825.12

Finding the Fourth Proportional to 6,985.16, 10,477.61 and 2,825.12

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Solution

The fourth proportional to 6,985.16, 10,477.61 and 2,825.12 is: 4,237.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.16 : 10,477.61 = 2,825.12 : x
  2. Step 2: Convert to fraction form
    6,985.16/10,477.61 = 2,825.12/x
  3. Step 3: Cross multiply
    6,985.16x = 10,477.61 × 2,825.12
  4. Step 4: Simplify right side
    6,985.16x = 29,600,505.56
  5. Step 5: Solve for x
    x = 29,600,505.56/6,985.16
  6. Step 6: Final answer
    x = 4,237.63

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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.