Home / 4,990.60-7,485.87-1,527.85

Finding the Fourth Proportional to 4,990.60, 7,485.87 and 1,527.85

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Solution

The fourth proportional to 4,990.60, 7,485.87 and 1,527.85 is: 2,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.60 : 7,485.87 = 1,527.85 : x
  2. Step 2: Convert to fraction form
    4,990.60/7,485.87 = 1,527.85/x
  3. Step 3: Cross multiply
    4,990.60x = 7,485.87 × 1,527.85
  4. Step 4: Simplify right side
    4,990.60x = 11,437,286.48
  5. Step 5: Solve for x
    x = 11,437,286.48/4,990.60
  6. Step 6: Final answer
    x = 2,291.77

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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.