Home / 7,880.60-11,825.50-4,373.55

Finding the Fourth Proportional to 7,880.60, 11,825.50 and 4,373.55

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Solution

The fourth proportional to 7,880.60, 11,825.50 and 4,373.55 is: 6,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.60 : 11,825.50 = 4,373.55 : x
  2. Step 2: Convert to fraction form
    7,880.60/11,825.50 = 4,373.55/x
  3. Step 3: Cross multiply
    7,880.60x = 11,825.50 × 4,373.55
  4. Step 4: Simplify right side
    7,880.60x = 51,719,415.53
  5. Step 5: Solve for x
    x = 51,719,415.53/7,880.60
  6. Step 6: Final answer
    x = 6,562.88

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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.