Home / 4,983.60-7,475.40-1,696.80

Finding the Fourth Proportional to 4,983.60, 7,475.40 and 1,696.80

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Solution

The fourth proportional to 4,983.60, 7,475.40 and 1,696.80 is: 2,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.60 : 7,475.40 = 1,696.80 : x
  2. Step 2: Convert to fraction form
    4,983.60/7,475.40 = 1,696.80/x
  3. Step 3: Cross multiply
    4,983.60x = 7,475.40 × 1,696.80
  4. Step 4: Simplify right side
    4,983.60x = 12,684,258.72
  5. Step 5: Solve for x
    x = 12,684,258.72/4,983.60
  6. Step 6: Final answer
    x = 2,545.20

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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.