Home / 4,871.60-7,304.70-1,946.60

Finding the Fourth Proportional to 4,871.60, 7,304.70 and 1,946.60

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Solution

The fourth proportional to 4,871.60, 7,304.70 and 1,946.60 is: 2,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.60 : 7,304.70 = 1,946.60 : x
  2. Step 2: Convert to fraction form
    4,871.60/7,304.70 = 1,946.60/x
  3. Step 3: Cross multiply
    4,871.60x = 7,304.70 × 1,946.60
  4. Step 4: Simplify right side
    4,871.60x = 14,219,329.02
  5. Step 5: Solve for x
    x = 14,219,329.02/4,871.60
  6. Step 6: Final answer
    x = 2,918.82

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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.