Home / 6,146.61-9,220.53-1,985.64

Finding the Fourth Proportional to 6,146.61, 9,220.53 and 1,985.64

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Solution

The fourth proportional to 6,146.61, 9,220.53 and 1,985.64 is: 2,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.61 : 9,220.53 = 1,985.64 : x
  2. Step 2: Convert to fraction form
    6,146.61/9,220.53 = 1,985.64/x
  3. Step 3: Cross multiply
    6,146.61x = 9,220.53 × 1,985.64
  4. Step 4: Simplify right side
    6,146.61x = 18,308,653.19
  5. Step 5: Solve for x
    x = 18,308,653.19/6,146.61
  6. Step 6: Final answer
    x = 2,978.66

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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.