Home / 4,818.80-7,230.60-2,740.40

Finding the Fourth Proportional to 4,818.80, 7,230.60 and 2,740.40

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Solution

The fourth proportional to 4,818.80, 7,230.60 and 2,740.40 is: 4,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.80 : 7,230.60 = 2,740.40 : x
  2. Step 2: Convert to fraction form
    4,818.80/7,230.60 = 2,740.40/x
  3. Step 3: Cross multiply
    4,818.80x = 7,230.60 × 2,740.40
  4. Step 4: Simplify right side
    4,818.80x = 19,814,736.24
  5. Step 5: Solve for x
    x = 19,814,736.24/4,818.80
  6. Step 6: Final answer
    x = 4,111.96

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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.