Home / 4,587.20-6,880.80-3,300.80

Finding the Fourth Proportional to 4,587.20, 6,880.80 and 3,300.80

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Solution

The fourth proportional to 4,587.20, 6,880.80 and 3,300.80 is: 4,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.20 : 6,880.80 = 3,300.80 : x
  2. Step 2: Convert to fraction form
    4,587.20/6,880.80 = 3,300.80/x
  3. Step 3: Cross multiply
    4,587.20x = 6,880.80 × 3,300.80
  4. Step 4: Simplify right side
    4,587.20x = 22,712,144.64
  5. Step 5: Solve for x
    x = 22,712,144.64/4,587.20
  6. Step 6: Final answer
    x = 4,951.20

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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.