Home / 4,946.60-7,419.90-2,642.60

Finding the Fourth Proportional to 4,946.60, 7,419.90 and 2,642.60

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Solution

The fourth proportional to 4,946.60, 7,419.90 and 2,642.60 is: 3,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.60 : 7,419.90 = 2,642.60 : x
  2. Step 2: Convert to fraction form
    4,946.60/7,419.90 = 2,642.60/x
  3. Step 3: Cross multiply
    4,946.60x = 7,419.90 × 2,642.60
  4. Step 4: Simplify right side
    4,946.60x = 19,607,827.74
  5. Step 5: Solve for x
    x = 19,607,827.74/4,946.60
  6. Step 6: Final answer
    x = 3,963.90

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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.