Home / 4,946.86-7,422.30-2,172.08

Finding the Fourth Proportional to 4,946.86, 7,422.30 and 2,172.08

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Solution

The fourth proportional to 4,946.86, 7,422.30 and 2,172.08 is: 3,259.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.86 : 7,422.30 = 2,172.08 : x
  2. Step 2: Convert to fraction form
    4,946.86/7,422.30 = 2,172.08/x
  3. Step 3: Cross multiply
    4,946.86x = 7,422.30 × 2,172.08
  4. Step 4: Simplify right side
    4,946.86x = 16,121,829.38
  5. Step 5: Solve for x
    x = 16,121,829.38/4,946.86
  6. Step 6: Final answer
    x = 3,259.00

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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.