Home / 4,541.20-6,811.80-4,512.40

Finding the Fourth Proportional to 4,541.20, 6,811.80 and 4,512.40

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Solution

The fourth proportional to 4,541.20, 6,811.80 and 4,512.40 is: 6,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,541.20 : 6,811.80 = 4,512.40 : x
  2. Step 2: Convert to fraction form
    4,541.20/6,811.80 = 4,512.40/x
  3. Step 3: Cross multiply
    4,541.20x = 6,811.80 × 4,512.40
  4. Step 4: Simplify right side
    4,541.20x = 30,737,566.32
  5. Step 5: Solve for x
    x = 30,737,566.32/4,541.20
  6. Step 6: Final answer
    x = 6,768.60

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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.