Home / 4,880.58-7,320.88-1,182.80

Finding the Fourth Proportional to 4,880.58, 7,320.88 and 1,182.80

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Solution

The fourth proportional to 4,880.58, 7,320.88 and 1,182.80 is: 1,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.58 : 7,320.88 = 1,182.80 : x
  2. Step 2: Convert to fraction form
    4,880.58/7,320.88 = 1,182.80/x
  3. Step 3: Cross multiply
    4,880.58x = 7,320.88 × 1,182.80
  4. Step 4: Simplify right side
    4,880.58x = 8,659,136.86
  5. Step 5: Solve for x
    x = 8,659,136.86/4,880.58
  6. Step 6: Final answer
    x = 1,774.20

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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.