Home / 4,815.50-7,222.14-1,527.98

Finding the Fourth Proportional to 4,815.50, 7,222.14 and 1,527.98

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Solution

The fourth proportional to 4,815.50, 7,222.14 and 1,527.98 is: 2,291.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.50 : 7,222.14 = 1,527.98 : x
  2. Step 2: Convert to fraction form
    4,815.50/7,222.14 = 1,527.98/x
  3. Step 3: Cross multiply
    4,815.50x = 7,222.14 × 1,527.98
  4. Step 4: Simplify right side
    4,815.50x = 11,035,285.48
  5. Step 5: Solve for x
    x = 11,035,285.48/4,815.50
  6. Step 6: Final answer
    x = 2,291.62

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1.5x scale

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.