Home / 4,920.84-7,380.45-2,730.60

Finding the Fourth Proportional to 4,920.84, 7,380.45 and 2,730.60

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Solution

The fourth proportional to 4,920.84, 7,380.45 and 2,730.60 is: 4,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.84 : 7,380.45 = 2,730.60 : x
  2. Step 2: Convert to fraction form
    4,920.84/7,380.45 = 2,730.60/x
  3. Step 3: Cross multiply
    4,920.84x = 7,380.45 × 2,730.60
  4. Step 4: Simplify right side
    4,920.84x = 20,153,056.77
  5. Step 5: Solve for x
    x = 20,153,056.77/4,920.84
  6. Step 6: Final answer
    x = 4,095.45

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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.