Home / 4,880.79-7,325.28-2,109.58

Finding the Fourth Proportional to 4,880.79, 7,325.28 and 2,109.58

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Solution

The fourth proportional to 4,880.79, 7,325.28 and 2,109.58 is: 3,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.79 : 7,325.28 = 2,109.58 : x
  2. Step 2: Convert to fraction form
    4,880.79/7,325.28 = 2,109.58/x
  3. Step 3: Cross multiply
    4,880.79x = 7,325.28 × 2,109.58
  4. Step 4: Simplify right side
    4,880.79x = 15,453,245.87
  5. Step 5: Solve for x
    x = 15,453,245.87/4,880.79
  6. Step 6: Final answer
    x = 3,166.14

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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.