Home / 4,960.96-6,839.28-4,807.60

Finding the Fourth Proportional to 4,960.96, 6,839.28 and 4,807.60

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Solution

The fourth proportional to 4,960.96, 6,839.28 and 4,807.60 is: 6,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.96 : 6,839.28 = 4,807.60 : x
  2. Step 2: Convert to fraction form
    4,960.96/6,839.28 = 4,807.60/x
  3. Step 3: Cross multiply
    4,960.96x = 6,839.28 × 4,807.60
  4. Step 4: Simplify right side
    4,960.96x = 32,880,522.53
  5. Step 5: Solve for x
    x = 32,880,522.53/4,960.96
  6. Step 6: Final answer
    x = 6,627.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.