Home / 5,297.60-7,946.40-2,964.80

Finding the Fourth Proportional to 5,297.60, 7,946.40 and 2,964.80

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Solution

The fourth proportional to 5,297.60, 7,946.40 and 2,964.80 is: 4,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.60 : 7,946.40 = 2,964.80 : x
  2. Step 2: Convert to fraction form
    5,297.60/7,946.40 = 2,964.80/x
  3. Step 3: Cross multiply
    5,297.60x = 7,946.40 × 2,964.80
  4. Step 4: Simplify right side
    5,297.60x = 23,559,486.72
  5. Step 5: Solve for x
    x = 23,559,486.72/5,297.60
  6. Step 6: Final answer
    x = 4,447.20

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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.