Home / 4,830.60-7,232.94-2,880.12

Finding the Fourth Proportional to 4,830.60, 7,232.94 and 2,880.12

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Solution

The fourth proportional to 4,830.60, 7,232.94 and 2,880.12 is: 4,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.60 : 7,232.94 = 2,880.12 : x
  2. Step 2: Convert to fraction form
    4,830.60/7,232.94 = 2,880.12/x
  3. Step 3: Cross multiply
    4,830.60x = 7,232.94 × 2,880.12
  4. Step 4: Simplify right side
    4,830.60x = 20,831,735.15
  5. Step 5: Solve for x
    x = 20,831,735.15/4,830.60
  6. Step 6: Final answer
    x = 4,312.45

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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.