Home / 7,840.24-11,756.58-4,146.64

Finding the Fourth Proportional to 7,840.24, 11,756.58 and 4,146.64

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Solution

The fourth proportional to 7,840.24, 11,756.58 and 4,146.64 is: 6,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.24 : 11,756.58 = 4,146.64 : x
  2. Step 2: Convert to fraction form
    7,840.24/11,756.58 = 4,146.64/x
  3. Step 3: Cross multiply
    7,840.24x = 11,756.58 × 4,146.64
  4. Step 4: Simplify right side
    7,840.24x = 48,750,304.89
  5. Step 5: Solve for x
    x = 48,750,304.89/7,840.24
  6. Step 6: Final answer
    x = 6,217.96

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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.