Home / 4,815.40-7,217.70-2,041.60

Finding the Fourth Proportional to 4,815.40, 7,217.70 and 2,041.60

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Solution

The fourth proportional to 4,815.40, 7,217.70 and 2,041.60 is: 3,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.40 : 7,217.70 = 2,041.60 : x
  2. Step 2: Convert to fraction form
    4,815.40/7,217.70 = 2,041.60/x
  3. Step 3: Cross multiply
    4,815.40x = 7,217.70 × 2,041.60
  4. Step 4: Simplify right side
    4,815.40x = 14,735,656.32
  5. Step 5: Solve for x
    x = 14,735,656.32/4,815.40
  6. Step 6: Final answer
    x = 3,060.11

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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.